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Timeline

TST Horizontal Timeline (All Topics)

By Michael Alan Prestwood
All timeline entries.
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13.8 Billion Years Ago
Highly speculative.
Singularity
natdrj, CC BY 4.0 , via Wikimedia Commons
The singularity 13.8 billion years ago is speculative. We don’t know what came “before”—or if “before” even makes sense.
13.8 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Big Bang Expansion
Big Bang Expansion
NASA/WMAP Science Team, Public domain, via Wikimedia Commons
13.8 Billion Years Ago: First Millisecond
Highly Speculative. An irrational idea rationally deduced.
Planck Era
Electrostatic plasma sphere in the dark. Tesla coil - physics experiment
Electrostatic plasma sphere in the dark. Tesla coil - physics experiment
How predetermined are our choices?
Free Will
Free Will
Free Will: two general types. Determinism says everything that happens is set in stone and can't be changed; in contrast, indeterminism says people and animals make choices.
13.8 Billion Years Ago: First Millisecond
Mostly speculative. Still an irrational idea rationally deduced.
Grand Unification Era
Science physics formula e=mc2, Theory of relativity composed with colored and carved stones
Science physics formula e=mc2, Theory of relativity composed with colored and carved stones
Our true origin story.
Evolution
Evolution
Darwin identified several key categories, which are often discussed today as natural selection, sexual selection, and artificial selection.
13.8 Billion Years Ago: First Millisecond
A bit speculative. Still an irrational idea rationally deduced but with some empirical data.
Inflationary Epoch
Person shining a light at the sky and making the stars rapidly move in circles - fantasy concept
Person shining a light at the sky and making the stars rapidly move in circles - fantasy concept
What separates humans from animals.
Cultural Transmission
Cultural Transmission
13.8 Billion Years Ago: First Millisecond
A bit speculative. Still an irrational idea rationally deduced but with some empirical data.
Electroweak Era
big bang, black hole, supermassive star, galaxy, cosmos, physical, science fiction wallpaper.
big bang, black hole, supermassive star, galaxy, cosmos, physical, science fiction wallpaper.
13.8 Billion Years Ago: First Hour
A bit speculative. Still an irrational idea rationally deduced but with some empirical data.
Nucleosynthesis Period
Closeup shot of a colorful plasma ball on a black background
Closeup shot of a colorful plasma ball on a black background
13.7 Billion Years Ago
Verified. Empirically supported and rationally deduced.
First Atoms
Molecules or atom isolated on blue background
Molecules or atom isolated on blue background
13.6 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Population III Stars: Heavier Elements
NOIRLab/NSF/AURA/J. da Silva/Spaceengine, CC BY 4.0 , via Wikimedia Commons
NOIRLab/NSF/AURA/J. da Silva/Spaceengine, CC BY 4.0 <https://creativecommons.org/licenses/by/4.0>, via Wikimedia Commons
13.59 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Population II Stars: Heavy Element Synthesis
Cosmos Stars Cluster Structure Stunning Astrophotography Dramatic Celestial Wallpaper. Bright blue n
Cosmos Stars Cluster Structure Stunning Astrophotography Dramatic Celestial Wallpaper. Bright blue n
13.4 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Galaxies are Born
M31 Andromeda Galaxy
M31 Andromeda Galaxy
About 13.39 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Birth of the Milky Way
milky way forest
milky way forest
10 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Population I Stars: Like our Sun
Stars in observatory
Stars in observatory
10 Billion Years Ago
Verified: 10 to 7 Billion Years Ago
Interstellar Clouds: Organic Molecules
debris of a stellar explosion, 3d illustration
debris of a stellar explosion, 3d illustration
4.6 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Birth of the Sun
Epic sun surface flare prominence solar system
Epic sun surface flare prominence solar system
4.5 Billion Years Ago
Verified. Empirically supported and rationally deduced.
Earth is Born
Solar system planets set. The Sun and planets in a row on univer
Solar system planets set. The Sun and planets in a row on univer
4.48 Billion Years Ago
4.49 to 4.6 Billion Years Ago
First Atmosphere: Hydrogen & Helium
First Atmosphere: Hydrogen & Helium
4.45 Billion Years Ago
Spedulative guess: 4.2 to 4.4 Billion Years Ago
Inorganic Precursors to Organic Molecules
Inorganic Precursors to Organic Molecules
4.44 Billion Years Ago
About 60 million years after Earth forms.
Moon Formation
Moon Formation
Imagined image depicting the formation of the Moon with Theia having a rocky and molten surface, reflecting its primordial state. This should now accurately illustrate the collision between Theia and the early Earth.
4.3 Billion Years Ago
4.5 to 4 Billion Years Ago
Second Atmosphere: Carbon Dioxide & Nitrogen
Second Atmosphere: Carbon Dioxide & Nitrogen
4.2 Billion years ago (+/- 200 million)
Self-replication emerges
First Life: Self-Replicating Molecules
a group of orange and red objects floating in the air
Photo by <a href="https://unsplash.com/@lanirudhreddy?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">ANIRUDH</a> on <a href="https://unsplash.com" target="_blank" rel="noopener noreferrer">Unsplash</a>
4.2 Billion Years Ago
4 to 4.4 Billion Years Ago
First Oceans: Fresh Water
sunset north sea sea 2191645
sunset north sea sea 2191645
4.1 Billion Years Ago (+/- 200 milion)
Self-sustaining chemical reactions
Metabolic Pathways
Metabolic Pathways
"<a href="https://commons.wikimedia.org/w/index.php?curid=39236376" target="_blank" rel="noopener noreferrer">Glycolysis metabolic pathway 3</a>" by <a href="https://commons.wikimedia.org/wiki/User:Evolution_and_evolvability" target="_blank" rel="noopener noreferrer">Thomas Shafee</a> is licensed under <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer">CC BY 4.0</a>
4.1 Billion Years Ago
Spedulative guess: 4 to 4.4 Billion Years Ago
Chemical Evolution of Organic Molecules
3d illustration. Model of serotonin molecule, Hormone of Happiness
3d illustration. Model of serotonin molecule, Hormone of Happiness
4 Billion Years Ago
Spedulative guess: 3.9 to 4.1 Billion Years Ago
Formation of Prebiotic Microenvironments
Geyser in Yellowstone National Park
Geyser in Yellowstone National Park
3.9 Billion Years Ago
Spedulative guess: 3.8 to 4.1 Billion Years Ago
Cellular Membranes
Cellular Membranes
"<a href="https://commons.wikimedia.org/w/index.php?curid=97444339" target="_blank" rel="noopener noreferrer">Cell membrane - Cellular biology - adapted for ions gradient and membrane channels</a>" by <a href="https://smart.servier.com" target="_blank" rel="noopener noreferrer">Servier Medical Art by Servier, adapted for Alexandro Rocha https://smart.servier.com/</a> is licensed under <a href="https://creativecommons.org/licenses/by/3.0/" target="_blank" rel="noopener noreferrer">CC BY 3.0</a>
3.9 Billion years ago (+/- 100 million)
The engine gets wrapped in a bubble.
Assembly of Protocells
Assembly of Protocells
"<a href="https://commons.wikimedia.org/w/index.php?curid=99962760" target="_blank" rel="noopener noreferrer">Protocell</a>" by <a href="https://commons.wikimedia.org/wiki/User:148LENIN" target="_blank" rel="noopener noreferrer">148LENIN</a> is licensed under <a href="https://creativecommons.org/publicdomain/zero/1.0/deed.en" target="_blank" rel="noopener noreferrer">CC CC0 1.0</a>
3.85 Billion Years Ago (before LUCA)
Leading Hypothesis: Molecules drifted; Chemistry binds.
RNA World
RNA World
3.8 Billion Yeas Ago
From 4.6 to 3.8 bya.
Late Heavy Bombardment
Late Heavy Bombardment
3.75 Billion years ago (+/- 100 million)
DNA, Ribosomes, and ATP
LUCA: Last Universal Common Ancestor
LUCA: Last Universal Common Ancestor
LUCA's form is unknown. Imagined image of various LUCA shapes.
3.73 Billion Years Ago (after LUCA)
Membrane and metabolic diversity.
Prokaryotic Life
Prokaryotic Life
Archaea look like bacteria at first glance — small, simple, and lacking a nucleus. But they are fundamentally different.
3.73 Billion Years Ago (shortly after LUCA)
Ether-linked membranes and distinct genetic machinery
Archaea Diverge
Archaea Diverge
Both archaea and bacteria are prokaryotes — cells without nuclei.
~3.72 Billion Years Ago (after prokaryotes)
Mechanical sensitivity to pressure and membrane stretch
Touch: Life Learns to Feel Force
Touch: Life Learns to Feel Force
About 3.72 billion years ago, right after LUCA, when cells emerged, touch became the most ancient form of biological sensing: required to physically navigate reality.
~3.7 Billion years ago (shortly after LUCA)
Peptidoglycan cell wall and Ester-linked lipids
First True Bacteria
First True Bacteria
Bacteria and archaea are both prokaryotes, but archaea’s membrane chemistry and genetic machinery are fundamentally different — and archaeal ancestry gave rise to eukaryotic cells.
~3.7 Billion Years Ago (+/- 100 million)
Virus: Riboviria (Early RNA replicators)
Virus: Riboviria (Early RNA replicators)
About 3.7 billion years ago, RNA virus ancestors may trace back to the RNA world, but we can’t prove whether they predate LUCA or arose just after. 
3.5 Billion Years Ago
3.5 to 2.5 Billion Years Ago
Second Oceans: From Fresh to Salty
Second Oceans: From Fresh to Salty
3.42 Billion BCE
3.42 to 3.7 Billion BCE
Oldest Known Fossil-Microorganisms
micro organisms cells background
micro organisms cells background
~3.2 Billion Years Ago (+/- 200 million)
The HK97-Fold (Steel Pouch)
Bacteriophage → Duplodnaviria
Bacteriophage → Duplodnaviria
Around 3.2 billion years ago, the Duplodnaviria evolved a high-pressure, icosahedral protein armor that turned viruses into biological syringes capable of injecting DNA into any domain of life.
~3 Billion years ago
Photosynthetic experiments
Bacteria Photosynthesis begins
~2.75 Billion years ago (+/- 200 million)
double jelly-roll capsid DNA viruses
Virus: Varidnaviria
Virus: Varidnaviria
About 2.75 billion years ago, the Varidnaviria evolved a unique "Double Jelly-Roll" protein fold to build massive, diverse shells, allowing viruses to scale up from tiny parasites to "giant" viruses that mimic cells.
2.65 Billion years ago (+/- 50 million years)
Blue-Green Bacteria (Not Algae)
Blue-Green Bacteria (Not Algae)
Long before plants covered the land, cyanobacteria were already harvesting sunlight. In doing so, they slowly helped change Earth’s oceans and atmosphere, preparing the way for more complex life.
2.4 Billion Years Ago (+/- 300 million years)
The First True Eukaryotes
The First True Eukaryotes
Eukaryotes divided labor within single-celled life, featuring a true nucleus and membrane-bound organelles. From them branched plants, fungi, and animals.
~2.4 Billion Years Ago
Cause: Cyanobacteria Produce Oxygen
Great Oxidation Event: Third Atmosphere
planet-blue-atmosphere
planet-blue-atmosphere
~2.4 Billion years ago (+/- 100 million)
Bacteria are added to eukaryote ancestor cells
Bacterial Endosymbiosis: Origin of Eukaryotes
Bacterial Endosymbiosis: Origin of Eukaryotes
About 2 billion years ago, bacteria are added to cells and that group leads to eukaryotes. You are a walking chimera ecosystem made of an Archaea host and trillions of Bacterial power-plants.
~2.2 Billion years ago (+/- 200 million)
Oxygen-respiring bacteria diversify
Bacteria Aerobic metabolism expands
2 Billion Years Ago (+/- 100 million years)
Nucleus and internal organelles
Protozoa Evolve
Protozoa Evolve
About 2 billion years ago, eukaryotic cells are defined by a membrane-bound nucleus and internal organelles. Their emergence created the structural foundation for complex life.
~1.75 billion years ago (+/- 50 million)
Last Eukaryote Common Ancestor
LECA: Likely Sexual Reproduction
LECA: Likely Sexual Reproduction
LECA is the Last Eukaryotic Common Ancestor. LECA reproduced sexually pushing the mixing of DNA back before 1.75 billion years ago.
~1.75 Billion years ago (+/- 200 million)
single-stranded DNA viruses
Monodnaviria
Monodnaviria
About 1.75 billion years ago, Monodnaviria evolved as "runaway" genetic loops (plasmids) that stole structural proteins from other viruses to become independent, single-stranded DNA parasites.
1.65 Billion Yeas Ago (+/- 50 million)
Life that later leads to these kingdoms separates.
Plant Ancestors Split from Animal and Fungi Ancestors
Plant Ancestors Split from Animal and Fungi Ancestors
Plant cells feature chloroplasts, a cellulose cell wall, and a large central vacuole for holding water. They also have plasmodesmata, tiny channels between cells. And of course, photosynthetic chlorophyll.
~1.55 Billion Years Ago (+/- 5 million)
Two "Anterior" Flagella - plant rowboats
Bikonts: Plant Ancestors Split Off Again (Front-Pull Pioneers)
Bikonts: Plant Ancestors Split Off Again (Front-Pull Pioneers)
About 1.55 billion years ago, bikonts evolved two flagella to pull themselves forward.
1.5 Billion Years Ago (+/- 100 million years)
Chloroplast refinement, chlorophyll variants
Red-Green Algae Ancestors Split
Red-Green Algae Ancestors Split
Modern red and green algae share a common ancestor about 1.5 billion years ago. The green algae branch gave rise to plants about 475 mya.
~1.3 Billion Years Ago (+/- 100 million)
Transition to a Single Flagellum
Unikonts: Single-Motor flagella Reform
Unikonts: Single-Motor flagella Reform
By 1.3 billion years ago, our animal-fungi ancestor, the Unikonts, stopped using two pulling flagella and narrowed it down to one pushing one.
~1.3 Billion years ago (+/- 200 million)
Bacteria Diversify: Major modern phyla
~1.25 Billion years ago (+/- 200 million)
Stitch themselves permanently into the host’s genome
Retroviruses (within Riboviria)
Retroviruses (within Riboviria)
About 1.25 billion years ago, Retroviruses emerged by transforming "jumping genes" into infectious agents, mastering the ability to rewrite a host’s permanent genetic code.
~1.2 Billion Years Ago (+/- 300 million)
Cytoplasmic streaming and vesicle transport
Intracellular Flow and Nutrient Exchange
Intracellular Flow and Nutrient Exchange
Eukaryote cells evolve cytoplasmic streaming and cytoskeleton-guided transport systems to circulate nutrients, organelles, and waste internally.
~1.15 Billion Years Ago (+/- 50 million)
12 unique amino acids + glycogen energy storage + True Posterior Flagellum
Opisthokonts: True Posterior Flagellum
Opisthokonts: True Posterior Flagellum
By 1.15 billion years ago, our animial-fungi ancestor evolve a true posterior flagellum. Single-celled animal sperm has a lineage back to this ancestor.
~1.1 Billion Years Ago (inferred, +/- 100 million)
Small motile gamete and larger nutrient-rich gamete
Oogamy: Early Gamete Specialization Before Animals
Sperm and egg cell on microscope. Scientific background.
Sexual reproduction predates animals, and differentiated sperm–egg systems evolved in single-celled eukaryotic lineages long before animals emerged.
~1 Billion years ago (+/- 200 million)
Extreme genetic theft
Giant viruses (within Varidnaviria)
Giant viruses (within Varidnaviria)
A billion years ago, some viruses turned into genetic junkyard collectors and swelled to nearly a micrometer across.
~950 Million Years Ago (+/- 50 million)
External digestion + chitin cell walls
Fungi Ancestors Split Off: (aquatic Holomycota)
Fungi Ancestors Split Off: (aquatic Holomycota)
By 950 million years ago, fungi ancestors used growth over motion to survive.
~750 Million Years Ago (+/- 50 million)
Animal Ancestors Split Off: Cadherin Cell Glue (Holozoa)
Animal Ancestors Split Off: Cadherin Cell Glue (Holozoa)
This image shows three plausible body plans for early holozoans, ancestors of animals. A loose spherical cluster suggests early cadherin-based adhesion. The pear-shaped flagellated cell reflects choanoflagellate-like forms. The amoeboid shape represents flexible, crawling types.
From 717 million years ago through 635.
Cause: Continental Drift, Falling CO₂
Snowball Earth: When Ice Reached the Equator
Snowball Earth: When Ice Reached the Equator
For tens of millions of years, Earth plunged into its deepest known freeze. Ice sheets reached sea level at low latitudes, perhaps even the equator, turning the planet into a near-global ice world and reshaping the path toward complex life.
640 Million Years Ago (+/- 20 million)
Stable cell adhesion and tissue specialization
First Multicellular Animals
First Multicellular Animals
640 million years ago, the first multicell animals were almost certainly just collections of types of cells and reproduced.
635 to 590 Million Years Ago
Proto-brain; Pre-brain memory; Presentient.
Presentient Animals Emerge: The Ediacaran Prelude
Presentient Animals Emerge: The Ediacaran Prelude
Before the Cambrian Explosion, early animal body shapes were already experimenting. Some evolved into larger, more complex forms, from frond-like patterns to disks and tubes. In this strange world, nerve nets and proto-nervous systems were beginning to appear.
~620 Million Years Ago (+/- 20 million)
tissue-level reproduction
First Animal Egg Layers
First Animal Egg Layers
600 Mya
Animal Chemoreception: Proto-Taste and Smell Emerge
Animal Chemoreception: Proto-Taste and Smell Emerge
Chemoreception is older than animals. Found across bacteria, fungi, and plants, it later became the foundation for animal taste and smell as early nerve nets and proto-nervous systems gave rise to brains.
~600 Million years ago (+/- 20 million)
Sperm-like reproduction to spread seed to new soil.
First True Fungi: Chytrids (and living fossils)
First True Fungi: Chytrids (and living fossils)
Chytrid-like fungi, reproducing with single posterior flagellated spores, are present in the fossil record by ~600 MYA.
~590 Million years ago (+/- 30 million)
Mold Spores Emerge
Mold Spores Emerge
A mold spore is usually just one cell, but it carries the power to begin again. Released into the world, these tiny travelers helped fungi spread across early Earth and become some of nature’s great recyclers.
590 Million Years Ago (± 10 million)
Agency and directional action with intent.
Bilaterian Split: The Origin of Agency
Bilaterian Split: The Origin of Agency
The bilaterian branch gave rise to today's arthropods, mollusks, fish, amphibians, reptiles, birds, and mammals. The significant idea is directionality. From a radial (circle) to a bilateral (line) symmetry, life transitioned from a passive "being" to an active "doing."
555 Million Years Ago (+/- 5 million)
Nerve nets and muscle cells
First True Animals – Comb Jellyfish
Jellyfish moving through water
Jellyfish moving through water
~550 Million Years Ago (+/- 25 million)
Diffusion and body-cavity circulation
Internal Fluid Transport in Early Animals
Internal Fluid Transport in Early Animals
Before true circulatory systems evolved, early animals began moving fluids through internal body spaces, helping nutrients reach deeper tissues and waste move out.
545 Million Years Ago (after through-gut digestion: mouth/anus)
Circulatory fluid transport (veins)
True Circulatory Systems: Blood Veins
blood, cells, red
540 Mya
Vision Emerges; Proto-Simple Brains; Pre-vertebrate Cord.
Vision Emerges: The Pre-fish Chordates
Vision Emerges: The Pre-fish Chordates
From 538.8 to 251.902 million years ago.
287 Million years: From burrowing to extinction.
Paleozoic Era: The Age of Synapsids
Paleozoic Era: The Age of Synapsids
The Paleozoic era is marked by the rise of complex animal life 538.8 million years ago. It ends with the end-Permian mass extinction 252 million years ago. A volcanic cascade global warming event.
530 Million BCE
530 to 520 Million Years Ago
First Vertebrates
First Vertebrates
520 Million Years Ago
First Simple Brains; Proto-Short-Term Memory; Simple Sentience.
Earliest Known Hunter
Earliest Known Hunter
520 Million BCE
Simple Brains; Proto-Short-Term Memory; Simple Sentience.
Simple Sentience Settles: Haikouichthys
Simple Sentience Settles: Haikouichthys
510 Million BCE
Not a fish ancestor, not our ancestor.
Simple Cephalopod Sentience Evolves
Simple Cephalopod Sentience Evolves
~480 MYA (+/- 20 million)
Filamentous growth (hyphae); terrestrial colonization
Hyphae break rock
Hyphae break rock
The conquest of land wasn’t driven by size — it was driven by threads. By 480 million years ago, hyphae began breaking into rock to make land habitable.
470 Million Years Ago (+/- 10 million)
Early water transport
Embryophytes: First True Plants
yellow and red flowers on gray rock
First land plants.
Lived from 470 to 445 million years ago.
Asaphid trilobite
Asaphid trilobite
An Ordovician asaphid-like trilobite from an ancient shallow sea, broad-bodied and well armored, representing one of the many early arthropod forms that flourished long before life moved onto land.
~450 Million years ago (+/- 10 million)
Arbuscular mycorrhizae (Glomeromycota symbiosis)
Fungal Underground Alliance
Fungal Underground Alliance
By 450 million years ago, fungi and plants started a rich dirt alliance. Forests grew because fungi fed them. Plants exchanged sugars for fungi phosphors and minerals.
~444 Million Years Ago
Cause: Global Cooling and Falling Seas
Ordovician–Silurian Extinction: Ice Strikes the Seas
Ordovician–Silurian Extinction: Ice Strikes the Seas
The Ordovician–Silurian extinction shows how climate change can reshape evolution by collapsing old ecosystems and opening space for new life.
425 Million Years Ago
425 MYA (+/- 15 Million Years)
Keratin Genes & the Rise of Scales in Fish
Keratin Genes & the Rise of Scales in Fish
~425 Million years ago (+/- 25 million)
Ascomycota and Basidiomycota Split
Fungal Great Split: Ascomycota & Basidiomycota
Fungal Great Split: Ascomycota & Basidiomycota
By 425 million years ago, fungi split into ascomycota and basidiomycota. Ascomycota gave rise to yeasts, truffles, and many molds. Basidiomycota gave rise mushrooms, puffballs, and bracket fungi.
~420 MYA (+/- 20 million)
Large upright fungal structures (e.g., Prototaxites)
Fungal Giants of the Devonian
Fungal Giants of the Devonian
By 420 million years ago, the first giants on land were not plants — but fungi. Giant fungi as tall as 30 feet (9 meters) thrived during the Devonian
414 Million BCE
Oldest Known Air Breather
Oldest Known Air Breather
400 Million BCE
Lungs Evolve: Lobe-Finned Fish and the Lungfish Ancestor
Living fossil fish, Coelacanth.
Living fossil fish, Coelacanth.
385 Million Years Ago (+/- 5 million years)
Secondary growth wood and deep roots
First True Trees: Spore Reproduction
First True Trees: Spore Reproduction
~380 million years ago (± 15 million)
Air breathing lungs and lobed pectoral fins
The Senegal Bichir: A Living Fossil
The Senegal Bichir: A Living Fossil
An early-diverging ray-finned fish whose lobed pectoral fins and paired lungs reflect an ancient branch of bony fish evolution.
375 Mya
Complex Brains; Long-Term Memory; Simple Sentience.
Long-Term Memory Evolves: Tiktaalik
Long-Term Memory Evolves: Tiktaalik
~372–359 Million Years Ago
Cause: Ocean Anoxia
Oceans Lose Their Breath
Oceans Lose Their Breath
The Devonian extinction shows that evolution can be reshaped not by one sudden blow, but by a long collapse in ocean health.
370 Mya
Land Hearing Emerges; Yet Larger Brains.
Land Hearing Emerges: Amphibians
Land Hearing Emerges: Amphibians
340 Million years ago (+/- 10 million)
Ancestor or reptiles, birds, and mammals.
Amniotes Emerge: Amniotic Eggs
Corn snake hatching, Pantherophis guttatus guttatus, also know as red rat snake
The amniotic egg evolved in the first amniotes, which evolved into today's reptiles, birds, and mammals.
~308 million years ago (+/- 5 million)
Naked seeds in cones (gymnosperm reproduction)
Conifers branch off
Conifers branch off
Early Conifers (Late Carboniferous, ~308 ± 5 mya). Woody gymnosperms with organized cones and drought adaptations.
307 million years ago
2026 Discovery Pushing Back Herbivores
First Land Herbivore: Tyrannoroter heberti
First Land Herbivore: Tyrannoroter heberti
Tyrannoroter heberti (≈307 million years ago). One of the earliest known plant-experimenting tetrapods, Tyrannoroter heberti hints that land herbivory began not with giants, but with small, evolutionary pioneers over 300 million years ago.
300 million years ago
±20 million years
Proto-Play
Proto-Play
Proto-play emerged in animals as brains got more complex about 300 million years ago. Something like enjoyment or satisfaction evolved as animals mimicked survival-like skills.
~300 million years ago (± 10 million years)
Stem Selachians: Modern Sharks LCA
Stem Selachians: Modern Sharks LCA
Note the torpedo-shaped body and sweeping tail — a hydrodynamic design that would define sharks for hundreds of millions of years: tapered head, dorsal fin, and powerful tail.
295 Million BCE
Complex Brains; Long-Term Memory; Early Complex Sentience.
Early Complex Sentience Emerges: Dimetrodon
Early Complex Sentience Emerges: Dimetrodon
By about 280 million years ago, Dimetrodon was one of the best-known predators of the Early Permian. It stalked rivers and floodplains alongside caseid synapsids, large amphibians like Eryops, and a landscape of Calamites, Sigillaria, ferns, and early seed plants.
270 Million Years Ago (+/- 5 million years)
Efficient vascular networks inside leaves
Ginkgo biloba-like Trees: True Leaves
Ginkgo biloba-like Trees: True Leaves
~270 million years ago (± 20 million years)
Increased light capture area
Ginkgo biloba — A Living Fossil in My Backyard
ginko, leaf, ginko tree, ginko leaf, nature, medicinal plant, green, tree, ginko, ginko, ginko, ginko, ginko, ginko tree
Circa 260 Million BCE
Plate Tectonics
Plate Tectonics
By dating rocks and fossils scientists can document the movement of the continents over time. (Public domain image, United States Geological Survey.)
255 Million years ago.
The Synapsid World of the Late Permian
The Synapsid World of the Late Permian
A Late Permian river world about 255 million years ago, where synapsids still ruled the land. A gorgonopsid stalks near the water while dicynodonts gather at the river’s edge and pareiasaurs move through the floodplain, alongside amphibians, large insects, and hardy pre-flowering plants.
252.5 Million years ago (+/- 500,000 years)
Needle morphology and resin canals
Pine Needles Evolve
Pine Needles Evolve
251,902,000 years ago (+/- 900 years).
Cause: Massive Volcanic Eruptions in Siberia
The P-T Extinction
The P-T Extinction
The Permian-Triassic extinction was not just the end of many species. It was a planetary reset that destroyed the old synapsid-dominated world and opened the door for the archosaur line that would later give rise to dinosaurs.
From 251.902 to 66.0 million years ago.
186 Million years: Dinosauria reigned from extinction to extinction.
Mesozoic Era: Age of Dinosaurs
Mesozoic Era: Age of Dinosaurs
The Mesozoic era starts with the end-Permian mass extinction 252 million years ago. It ends the reign of dinosaurs with the K–Pg extinction 66 million years ago.
~252 MYA (Permian–Triassic boundary)
Massive fungal proliferation after extinction
Fungal Survivors of Extinction
Fungal Survivors of Extinction
The mass extinction at 252 million years ago marks the Permian to Triassic boundary. Fungi are not just participants in ecosystems — they help reset the ground.
~250 million years ago (+/- 10 million)
LCA of crocodilians and birds (pterosaurs & dinosauria)
Archosauria Diverge Within Reptiles
Archosauria Diverge Within Reptiles
LCA of crocodiles and birds — the larger archosaur branch that later gave rise to crocodilians, pterosaurs, dinosaurs, and birds.
245 Million Years Ago
Dinosauromorphs Emerge: Erect hind-limb posture leads to birds and dinosaurs.
Bird-line Archosaurs: Asilisaurus kongwe (within Ornithodira)
Bird-line Archosaurs: Asilisaurus kongwe (within Ornithodira)
Asilisaurus shows that the bird-line archosaurs were already evolving dinosaur-like bodies before true dinosaurs appeared.
243 Million Years Ago
Strengthened hip and shoulder architecture
Bird-line Archosaur: Nyasasaurus parringtoni
Bird-line Archosaur: Nyasasaurus parringtoni
Nyasasaurus is a late bird-line archosaur from just before Dinosauria clearly emerge. It sits on the dinosaur side of Ornithodira, but its exact placement remains uncertain: some analyses place it within Dinosauria, while others place it just outside the group, near other bird-line archosaurs.
240 Million Years Ago
Elongated hind limbs, better running, reduced forelimbs
Marasuchus lilloensis
"<a href="https://commons.wikimedia.org/w/index.php?curid=50251453" target="_blank" rel="noopener noreferrer">Marasuchus NT small</a>" by <a href="https://commons.wikimedia.org/wiki/User:NobuTamura" target="_blank" rel="noopener noreferrer">Nobu Tamura email:nobu.tamura@yahoo.com http://spinops.blogspot.com/ http://paleoexhibit.blogspot.com/</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
240 Million Years Ago
XX/XY Sex System Emerges: A Tale of Mammalian Evolution
XX/XY Sex System Emerges: A Tale of Mammalian Evolution
Around 240 million years ago, during the late Triassic period, a crucial evolutionary development unfolded within the lineage that would give rise to mammals. It is believed that the XX/XY sex-determination system emerged in a common ancestor of mammals, possibly within the genus Therapsida, a group of synapsids that exhibited both reptilian and mammalian traits.
238 Million years ago (+/- 5 million)
Fully open hip socket (perforated acetabulum)
Dinosauria Emerge: True Dinosaurs!
Dinosauria Emerge: True Dinosaurs!
Dinosauria emerge from a single population of a species about 238 million years ago. This population will lead to all dinosaurs and birds including T.Rex, Brontosaurus, and Triceratops.
~237 million years ago (+/- 2 million)
Pterosauria line: Not in dinosauria (split first).
Pterosaurs Diverge From Dinosaur Ancestors (within Ornithodira)
Pterosaurs Diverge From Dinosaur Ancestors (within Ornithodira)
Pterosaurs were the first vertebrates to conquer the air, evolving a unique "finger-wing" anatomy that allowed them to dominate the skies for 160 million years.
~233 million years ago (±2 million years)
Ancestor of T.Rex and bird-line.
Theropod Line Diverges Within Dinosaria (from Saurischia)
Theropod Line Diverges Within Dinosaria (from Saurischia)
Theropods were the agile, sharp-toothed dinosaur branch that refined the classic predator body plan. They stood fully upright on two legs, balanced with long tails, used grasping hands, and carried specialized skulls and recurved teeth built for active hunting. Over time, this branch produced everything from small early predators to giant hunters—and eventually birds.
~232 million years ago (±2 million years)
Ancestor to the sauropods like brontosaurus.
Sauropodomorph Line Diverges Within Dinosaria (from Saurischia)
Sauropodomorph Line Diverges Within Dinosaria (from Saurischia)
Sauropodomorphs, in their early forms, were lightly built, often partly bipedal, with long necks, small heads, leaf-shaped teeth, and grasping hands.
229 Million Years Ago (± 1.5 million)
Eoraptor lunensis.
Eoraptor lunensis.
A speculative reconstruction of Eoraptor lunensis. Eoraptor reminds us that classification is not always neat at the beginning of a lineage. Early dinosaurs can be hard to classify because of a mix of traits.
~229 million years ago (±4 million years)
LCA of Pterosaurs and Birds (pterosaurs & dinosauria).
Ornithischians Diverge Within Dinosauria “Bird Hipped”
Ornithischians Diverge Within Dinosauria “Bird Hipped”
Ornithodira is the broader branch that includes dinosaurs, birds, and pterosaurs.
225 million years ago (±5 million years)
When dinosaurs rose, our line quietly began.
Platypus–Ape Common Ancestor
Platypus–Ape Common Ancestor
The last common ancestor of platypus and ape lived around 225 million years ago, during the Late Triassic. It wasn’t a modern mammal yet, but a very late synapsid—or early mammaliaform—already carrying the essentials: fur for insulation, a warm-blooded metabolism, and mammal-style teeth. From this small, generalized creature, every living mammal would diverge—both the strange egg-laying platypus and the most self-aware ape.
215 Million years ago (+/- 5 million)
Pterosaurs Emerge
Pterosaurs Emerge
Pterosaurs were not dinosaurs but do share a common ancestor. They are a distinct group of flying reptiles that emerged in the Late Triassic.
203 Million BCE (+/- 3 million)
Differentiated teeth and true mammalian jaw
Morganucodon: An Early Mammalian
Morganucodon: An Early Mammalian
Morganucodon is an example of a plant eater likely similar to our direct-line ancestors around this time. It is not a direct human ancestor but is among the early mammaliaforms, close to the lineage leading to true mammals.
~201 Million Years Ago
Cause: Massive Volcanic Eruptions
Triassic–Jurassic Extinction: Volcanoes Open the Age of Dinosaurs
Triassic–Jurassic Extinction: Volcanoes Open the Age of Dinosaurs
As Pangea cracked apart, massive volcanic eruptions poisoned air and oceans. This image includes early dinosaurs as foreshadowing: survivors waiting in the smoke before their Jurassic rise.
190 Million Years Ago (+/- 10 million years)
Parental care, brain plasticity, extended juvenile period
Early Play Evolves in Mammals
Early Play Evolves in Mammals
Play evolved as one of the group survival traits. Lower play abilities evolved in mammals like rodents about 190 million years ago. Higer play abilities evolved in mammals like cats about 80 million years ago.
185 Million BCE
Placental nutrient transfer (in placentals)
Mammals: First Live Births
Mammals: First Live Births
An example of early live birth is the protomammal Kayentatherium, Jurassic period. This cynodont is related to early mammals and its clutch size suggested egg-laying, providing clues about the transition to live birth. The switch to live birth in mammals, including marsupials and placentals, likely evolved once at their common ancestor, suggesting live birth in mammals has a deep evolutionary history.
180 Million years ago (+/- 5 million)
Pangaea Super Continent Breakup
Pangaea Splitting Starts Splitting Evolution
Pangaea Splitting Starts Splitting Evolution
When Pangaea began to split around 190 million years ago, the world’s connected landmasses slowly turned into separate evolutionary arenas: vicariance. What had once been one giant stage for life became a set of growing barriers, helping drive the rise of distinct northern and southern lineages.
~178 Million Years Ago (+/- 5 million)
Diplodocid LCA: The Age of Giant Necked Sauropods
Diplodocid LCA: The Age of Giant Necked Sauropods
The common ancestor of the diplodocids is still unknown, but it gave rise to several distinct giant-necked forms. In Diplodocus, notice the long, narrow skull. In Apatosaurus, note the deeper, more robust skull and heavier build. Finally, in the slimmer Brontosaurus, notice the similar shape but somewhat lighter, less massive form.
Lived from 169 to 164 million years ago.
Not a bird ancestor, but part of the theropod mix.
Proceratosaurus (T.Rex ancestor)
Proceratosaurus (T.Rex ancestor)
Proceratosaurus had the same general tyrannosaur-style look: a big head, long tail, strong hind legs, short forelimbs, and a built-for-biting predator shape: D-shaped front teeth and a crest on top of the skull.
~168 million years ago.
Stegosaurus ancestor
Bashanosaurus primitivus
Bashanosaurus primitivus
Bashanosaurus primitivus is one of the earliest known stegosaurs and a strong candidate for representing an early form close to the ancestry of later plated dinosaurs like Stegosaurus.
Lived ~161 to 146 million years ago.
28–33.5 m long: longer, whiplike, slimmer.
Diplodocus
Diplodocus
Diplodocus was the longer, slimmer, more stretched-out sauropod, famous for its especially long neck and whiplike tail. It is one of the longest land animals and generally more slender in build.
Lived ~156 to 145 million years ago.
20 to 22 meters (65 to 72 feet).
Brontosaurus
Brontosaurus
Brontosaurus, in the revived interpretation, looks broadly similar to Apatosaurus but is argued to be less massive and less robust. A bit lighter-built overall.
Lived ~156 to 151 million years ago.
21 to 23 meters (69 to 75 feet): Heavier, more muscular.
Apatosaurus
Apatosaurus
Apatosaurus was the heavier, more robust sauropod — more muscular-looking, with a thicker, lower-set neck and a bulkier frame.
155 Million years ago (+/- 5 million)
Avialae: The Bird Line Diverges (Theropoda)
Avialae: The Bird Line Diverges (Theropoda)
Around 155 million years ago, an early avialan was probably already broadly Archaeopteryx-like, yet still unmistakably dinosaurian: small feathered theropod with teeth, claws, and a long bony tail.
Lived 152 to 145 million years ago.
Stegosaurus
Stegosaurus
Stegosaurus is the classic plated dinosaur most people picture: large back plates, a small head, and a spiked tail used for defense. It lived late in the Jurassic
149 Million years ago (+/- 1 million)
First True Bird: Archaeopteryx
First True Bird: Archaeopteryx
Archaeopteryx reminds us that major transformations often happen gradually, with old traits and new traits living side by side for a long time. The story of birds began with their dinosaur past.
145 Million Years Ago (+/- 5 million years)
Rapid vascular transport
Modern Trees: Modern Leaves
Modern Trees: Modern Leaves
140 Million BCE
South America Splits from Africa
~131 Million years ago.
Extinct bird line (clawed wings, elaborate ribbon-like tail feathers)
Confuciusornithiformes Birds Emerge (Now Extinct)
Confuciusornithiformes Birds Emerge (Now Extinct)
Weird carryovers and side experiments: clawed wings, elaborate ribbon-like tail feathers, and a mix of advanced beak features with a still primitive dinosaurian body.
~131 Million years ago.
Extinct bird line (clawed wings, teeth)
Enantiornithes Birds Emerge (Now Extinct)
Enantiornithes Birds Emerge (Now Extinct)
Enantiornithes were one of the most successful early bird branches of the Cretaceous, but unlike Confuciusornithiformes, they generally kept their teeth and often looked a bit more like small, sharp-faced bird-dinosaurs than beaked proto-birds.
By 130 Million Years Ago
Molecular analysis might push this back to 149 or maybe even 256 mya.
The First Flowers
circa 125 Million BCE
Complex Brains; Long-Term Memory; Complex Sentience; Likely Proto Self-aware.
Complex Sentience Settles: Eomaia scansoria
Complex Sentience Settles: Eomaia scansoria
The rise of Eomaia scansoria, an early placental mammal, marks a definitive leap towards "Complex Sentience" in the evolutionary saga leading to humans. It's also plausible that it possessed a foundational level of self-awareness, or what can be termed as Proto Self-awareness. A rudimentary sense of self. 
125 Million Years Ago
Expanded Limbic System, reward circuitry
Animal Vocabulary: Dozens of Words
Animal Vocabulary: Dozens of Words
Eomaia scansoria in their natural environment from about 125 million years ago. These early mammals likely lived in a lush, prehistoric forest setting and had a vocabulary, or signaling, range into the dozens of words, well, gestures.
110 Million years ago (+/- 10 million)
The Last Stegosaurus: Wuerhosaurus
The Last Stegosaurus: Wuerhosaurus
Wuerhosaurus was one of the last known stegosaurs, carrying the classic plated-and-spiked body plan into the Early Cretaceous of what is now China.
Lived from 97 to 93.5 million years ago.
Argentinosaurus
Argentinosaurus
Argentinosaurus shows how far the sauropod body plan could go. By the Late Cretaceous, some titanosaurs had become the largest land animals known, turning the long-necked dinosaur design into one of evolution’s most extreme achievements.
~95 Million Years Ago (+/- 5 million)
Tall, fire-resistant, long-lived conifer specialization.
Redwood Lineage Emerges
Redwood Lineage Emerges
This picture was taken in Armstrong Redwoods State Natural Reserve near Guerneville, California. When Melissa and I stood under Parson Jones on February 2, 2026, we were standing beneath a long lineage that began while Tyrannosaurus still walked the Earth.
~90 Million years ago.
Hesperornithiformes Birds Emerge (Now Extinct)
Hesperornithiformes Birds Emerge (Now Extinct)
Hesperornithiformes were extinct Cretaceous diving birds that lived outside modern bird crown-group Neornithes. They show that highly specialized aquatic birds had already evolved by about 90 million years ago.
~90 Million years ago (+/- 10 million).
Neornithes (Crown Birds) emerge
Neornithes (Crown Birds) emerge
Three branches of modern birds evolved from within neornithes: Struthio camelus (the ostrich), Gallus gallus (chickens), and Passer domesticus (the house sparrow is a good one).
Lived from about 90 to 89 million years ago.
Triceratops ancestor
Zuniceratops
Zuniceratops
A smaller, earlier horned dinosaur that helps show the transition toward the larger, more elaborate ceratopsids.
~88 million years ago (+/- 4 million)
Pteranodons Emerge
Pteranodons Emerge
Pteranodon was one of the great soaring pterosaurs of the Late Cretaceous, but it was only one branch in a much larger pterosaur story.
~85 Million years ago (+/- 10 million).
Ground birds: ostriches, emus, tinamous, etc.
Palaeognathae Birds Emerge
Palaeognathae Birds Emerge
Palaeognathae is the living bird branch that includes ostriches, emus, cassowaries, rheas, kiwis, and tinamous.
80 Million BCE
Appendix
Appendix
The appendix is an example of a Phenotype Variation -- a trait that varies among individuals. In fact, something like 1 in 100,000 people are born without an appendix.
80 Million Years Ago (+/- 10 million years)
Enlarged neocortex
Higher Play Evolves in Social Mammals
Higher Play Evolves in Social Mammals
Play evolved as one of the group survival traits. Lower play abilities evolved in mammals like rodents about 190 million years ago. Higer play abilities evolved in mammals like cats about 80 million years ago.
~80 Million years ago (+/- 8 million).
Fowl: chickens, turkeys, pheasants, ducks, etc.
Galloanserae Birds Emerge (from Neognathae)
Galloanserae Birds Emerge (from Neognathae)
Galloanserae is the living bird branch that includes landfowl and waterfowl: chickens, turkeys, pheasants, ducks, geese, and swans.
~78 Million years ago (+/- 4 million).
Led to common birds: crows, sparrows, robins, hawks, owls, hummingbirds, etc.
Neoaves Birds Emerge (from Neognathae)
Neoaves Birds Emerge (from Neognathae)
Neoaves is the enormous living bird branch that includes all birds that are not part of the ostrich-tinamou branch and not part of the duck-chicken branch.
Lived ~76 to 75 million years ago.
Styracosaurus
Styracosaurus
Styracosaurus was a striking horned ancient cousin of Triceratops, showing that ceratopsids branched into different styles long before the dinosaurs came to an end.
Lived from ~69 to 66.04 million years ago.
Tyrannosaurus Rex
Tyrannosaurus Rex
T. rex lived in western North America about 69 to 66 million years ago. All dinosaurs, except potentially three lines of bires, went extinct 66 million years ago, when the Chicxulub asteroid hit.
Lived from ~68 to 66.04 million years ago.
Triceratops
Triceratops
Three facial horns, broad frill, and powerful four-legged body. It was one of the last great non-avian dinosaurs and is the classic fully developed ceratopsid most people picture when they think of horned dinosaurs. Lived from about 68 to 66 million years ago.
66.04 Million years ago (K–Pg extinction)
The Last Pterosaurs
The Last Pterosaurs
By the end of the Cretaceous, the surviving pterosaurs were mostly advanced, toothless pterodactyloids.
66.04 Million years ago (K–Pg extinction)
The Last Ornithischians
The Last Ornithischians
The last ornithischians still displayed four striking body plans at the end of the Cretaceous: horned ceratopsians, duck-billed hadrosaurs, armored ankylosaurs, and dome-headed pachycephalosaurs.
66.04 Million years ago (K–Pg extinction)
The Last Sauropods
The Last Sauropods
By the end, sauropods had narrowed to one last great branch—titanosaurs—but that branch still held real variety.
66.04 Million years ago (K–Pg extinction)
The Last Theropods
The Last Theropods
The last theropods still ranged from giant apex predators to smaller runners and hunters, while birds overhead carried the theropod branch beyond the extinction event.
66.04 Million years ago (K–Pg extinction)
Toothed Birds Go Extinct
Toothed Birds Go Extinct
At the K–Pg boundary, birds were already diverse, but most of that Late Cretaceous variety died out, leaving only a small toothless slice of the bird world to continue.
66.04 million years ago (+/- 900 years).
Cause: Massive Meteor
The K-Pg Extinction
The K-Pg Extinction
The K–Pg extinction was a sudden global catastrophe that ended the long dominance of non-avian dinosaurs and opened the way for mammals and modern birds to expand into a transformed world.
66.04 million years ago to the present.
66 Million years: From extinction to society.
Cenozoic Era: Age of Mammals & Birds
Cenozoic Era: Age of Mammals & Birds
The Cenozoic era starts with the K–Pg extinction 66 million years ago. That event marks the sudden end of the reign of dinosaurs and the rise of mammals and birds.
66 Million BCE
Grasping hand and flexible ankles
Purgatorius — Earliest known proto-primate.
© N. Tamura (CC BY-SA)
Purgatorius unio, from the Late Paleocene of North America, believed to be the earliest primate, pencil drawing, digital coloring. © N. Tamura (CC BY-SA)
60 Million Years Ago
Opposable Thumb Emerges
Opposable Thumb Emerges
Around 60 million years ago, the early ancestors of primates began to develop a crucial adaptation: the opposable thumb. This evolutionary milestone marked the beginning of increased dexterity.
56 Million BCE (+/- 2 million)
Enhanced color perception, Diet-driven brain growth
Plesiadapis: First fruit-insect eaters.
Plesiadapis: First fruit-insect eaters.
Plesiadapis, a proto-primate, is an example of a fruit-insect eater likely similar to our direct-line ancestors around this time.
56 Million BCE
Opening of the North Atlantic Ocean
Fama Clamosa, CC BY-SA 4.0 , via Wikimedia Commons
50 Million BCE
Territory memory, where things are, hippocampus development
Early Self-Awareness: Miacis
Early Self-Awareness: Miacis
Emerging in the lush forests of the Eocene, Miacis signifies a pivotal moment in the evolution of cognitive abilities among mammals. As a basal member of the Carnivora, this small, tree-dwelling creature exhibited behaviors and social dynamics suggesting the early stages of self-awareness.
32 Million Years Ago (+/- 2 million)
Ape Thumb Evolves
Ape Thumb Evolves
Gorilla on right, human, then orangutan. Orangutan-like hands evolved about 30 mya, gorilla-like hands evolved about 12 mya, and human-like hands evolved about 3 mya.
30 Million BCE
Complex Brains; Long-Term Memory; Complex Sentience; Semi Self-awareness settles in.
Early Intelligence Emerges: Aegyptopithecus zeuxis
Early Intelligence Emerges: Aegyptopithecus zeuxis
True Primate: Within mammals, only primates have binocular vision, grasping hands, and flat nails--instead of claws.
27 Million Years Ago (+/- 2 million)
Large neocortex, Coalition politics emerge
Baboons Branch Off: Old World Monkeys
Baboons Branch Off: Old World Monkeys
Our last tails! The last common ancestor with humans and old-world monkeys lived around 29 million years ago.
20 Million Year Ago (+/- 2 Million Years)
Complex Brains; Long-Term Memory; Complex Sentience; Maybe Self-aware; Likely Simple EI.
Genus Proconsul (Self-Awareness Settles)
Genus Proconsul (Self-Awareness Settles)
Great Apes LCA candidate: Proconsul, an inhabitant of the Miocene forests in East Africa, stands as a landmark in the evolutionary journey toward self-awareness.
18 Million Years Ago, ± 3 million years
Causal reasoning, Early prefrontal integration
Great Apes: Medicine Emerges
Great Apes: Medicine Emerges
17 Million Years Ago, ± 1 million
Long-distance pair bonding, Fine motor control
Gibbons Branch Off: Genus Hylobates
Gibbons Branch Off: Genus Hylobates
Today, there are about 20 species of gibbons which belong to the family Hylobatidae, which is further divided into four genera: Hylobates (the largest group, including the white-handed gibbon), Hoolock (hoolock gibbons), Nomascus (crested gibbons), and Symphalangus (the siamang).
16.5 Million Years Ago (+/- 2 Million Years)
Tool potential begins, Neocortical expansion
Emergence of the Great Apes (Great Apes LCA)
Emergence of the Great Apes (Great Apes LCA)
Imagined image: Circa 18 million years ago, the Proconsul, an inhabitant of the Miocene forests, stands as a landmark in the evolutionary journey toward self-awareness. Here a Proconsul ponders his image in a local watering hole.
Lived 16 to 14 Million Years Ago
Prefrontal–limbic integration, Reading others, Modulating reaction
Genus Kenyapithecus: EI Emerges
Genus Kenyapithecus: EI Emerges
Imagined image: kenyapithecus.
circa 15 Million Years Ago
Inferior frontal gyrus homologues, Mirror neuron systems
Animal Vocabulary: Thousands of Words (The Great Apes)
Animal Vocabulary: Thousands of Words (The Great Apes)
Rudapithecus hungaricus in their natural environment from about 11 million years ago. These early great apes likely lived in a lush forest setting and had a vocabulary, or signaling, range into the thousands of words, well, gestures, grunts, and screams in various contexts.
14.5 Million Years Ago (+/- 2 million)
Limbic vocalization pathways, Breath control
Laughter Emerges
Laughter Emerges
The roots of laughter can be traced back to our common ancestors with other great apes, living around 10 to 15 million years ago. Before this time, the time when emotional intelligence evolved, laughter as we know it did not exist.
By 14 Million Years Ago
Phenotype Variations
Skin Color Diversity Across and within Primate Species
Skin Color Diversity Across and within Primate Species
Emerged 13 mya, extinct 9 to 7 mya
Cultural Transmission
Genus Dryopithecus: Cultural Transmission Emerges
Genus Dryopithecus: Cultural Transmission Emerges
Emerged 12.5 to 12 mya, extinct 8.5 to 7 mya.
Complex Brains; Long-Term Memory; Complex Sentience; Self-aware; Complex EI.
Orangutans Branch Off: Genus Sivapithecus
Orangutans Branch Off: Genus Sivapithecus
Orangutan ancestor: After the Great Apes LCA, orangutans evolved in Asia. The genus Sivapithecus represents early orangutans. An extinct species of the great apes, they  lived in the Indian subcontinent from around 12 to about 8 million years ago.
Emerged 10 mya, extinct 9.8 to 9 mya.
Ancestral Hominids (us, pre-split)
Gorillas Branch Off: Genus Nakalipithecus
Gorillas Branch Off: Genus Nakalipithecus
Last Gorilla-Chimp-Human ancestor: The last common ancestor of gorillas, chimpanzees, and humans likely lived about 8 to 10 million years ago.
9 Million Years Ago
Enhanced spatial mapping and endurance planning
Transition from Trees to Savannah Begins
Transition from Trees to Savannah Begins
Beginning about 9 million years ago, our ancestors began evolving from forests to savannahs over about 7 million years. By about 2 mya, our ancestors were fully bipedal carrying things like stone axes and sticks for hunting and fighting off animals.
Emerged 9 mya, extinct 100,000 BCE.
Genus Gigantopithecus
"<a href="https://commons.wikimedia.org/w/index.php?curid=55062736" target="_blank" rel="noopener noreferrer">Gigantopithecus</a>" by <a href="https://commons.wikimedia.org/w/index.php?title=User:Concavenator&action=edit&redlink=1" target="_blank" rel="noopener noreferrer">Concavenator</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
"<a href="https://commons.wikimedia.org/w/index.php?curid=89500749" target="_blank" rel="noopener noreferrer">Gigantopithecus mandible</a>" by James St. John is licensed under <a href="https://creativecommons.org/licenses/by/2.0/" target="_blank" rel="noopener noreferrer">CC BY 2.0</a>
7.5 Million Years Ago
Advanced coalition politics and tool precursors
Chimpanzees Branch Off (CHLCA)
Chimpanzees Branch Off (CHLCA)
"<a href="https://www.flickr.com/photos/23165290@N00/7283201268" target="_blank" rel="noopener noreferrer">Sahelanthropus tchadensis adult male - head model - Smithsonian Museum of Natural History - 2012-05-17</a>" by <a href="https://www.flickr.com/photos/23165290@N00" target="_blank" rel="noopener noreferrer">Tim Evanson</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 2.0</a>
7 Million BCE
Partial bipedal posture + visual reorientation
Genus: Sahelanthropus (Walking Upright)
Genus: Sahelanthropus (Walking Upright)
7 Million Years Ago
Genus Gorilla
Genus Gorilla
Last Gorilla-Chimp-Human ancestor: The last common ancestor of gorillas, chimpanzees, and humans likely lived about 8 to 10 million years ago.
6 Million Years Ago (Maybe Us)
Femoral adaptation, Motor cortex recalibration
Genus: Orrorin
Genus: Orrorin
Imagined image of Orrorin tugenensis in a natural landscape, approximately 6 million years ago. The scene captures this early human ancestor walking upright, showcasing its bipedal nature in a lush, prehistoric African forest setting.
Lived 5.8 to 4.4 Million Years Ago (Maybe Us)
Reduced aggression, Reduced canine dimorphism
Genus: Ardipithecus
Genus: Ardipithecus
Imagined image depicting the genus Ardipithecus in an ancient African landscape. The scene captures the dual adaptations for upright walking and tree-climbing.
3.66 Million Years Ago
Hominin
Echoes of Early Steps: The Laetoli Footprints
Echoes of Early Steps: The Laetoli Footprints
Imagined image: Captured in ancient volcanic ash at Laetoli, Tanzania, these 3.66 million-year-old footprints belong to Australopithecus afarensis, showcasing one of the earliest strides toward bipedalism in our evolutionary history.
3.4 Million Years Ago
cognitive sequencing + motor precision + future modeling
Early Wood tools
Early Wood tools
Imagined Image: The evolution of wooden tool use by early hominins. A walking stick around 3.3 million years ago, aiding mobility and providing defense. Small, sharpened sticks used for intricate tasks like termite extraction around 2.6 million years ago. Spears and digging sticks around 1.76 million years ago, vital for hunting and foraging. Advanced wooden constructs such as shelter frames and simple rafts emerge around 500,000 years ago. Hafted tools with stone-tipped spears around 300,000 years ago.
3.3 Million BCE (Hominins)
Prefrontal Cortex Expansion, Internal 3D modeling
Early Stone Tools
Early Stone Tools
3.3 Million Years Ago
Collective Learning Emerges
Collective Learning Emerges
Collective learning, where a parent teaches a child, started long before primates, but something like our modern approach to showing our young how to live likely started about 3 million years ago, perhaps wit a species like australopithecus in a place like Kenya, Africa.
3 Million Years Ago (+/- 400,000 years)
Human Thumb Evolves
Human Thumb Evolves
3 Million Years Ago
+/- 1 million years
Human Laughter Emerges
Cheerful children's laughter
Cheerful children's laughter
2.9 Million BCI
Hominin, Us, From 4.2 to 2 MYA
Genus: Australopithecus
Genus: Australopithecus
2.7 Million Years Ago
Hominin, Not Us (2.7 to 1.2 million years ago)
Genus: Paranthropus
Genus: Paranthropus
"<a href="https://www.flickr.com/photos/23165290@N00/7283200914" target="_blank" rel="noopener noreferrer">Paranthropus boisei adult male - head model - Smithsonian Museum of Natural History - 2012-05-17</a>" by <a href="https://www.flickr.com/photos/23165290@N00" target="_blank" rel="noopener noreferrer">Tim Evanson</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 2.0</a>
2.3 Million BCE
Homo habilis: Our Intelligence Settles.
Homo habilis: Our Intelligence Settles.
Image depicting an artistic reconstruction of Homo habilis in a prehistoric landscape of East Africa during the Pleistocene epoch about 2.3 million years ago.
2 Million BCE
Hominids, Not Us (different branch)
Emergence of the Chimpanzee Family
Bonobo chimpanzees in the wilderness in Democratic Republic of the Congo
Bonobo chimpanzees in the wilderness in Democratic Republic of the Congo
2 Million Years Ago
First Proto-Containers
First Proto-Containers
Imagined Image: A collection of early hominin tools and natural containers showing primitive ingenuity. Items like this may have been used as early as 2 million years ago. From left to right: 1) A large leaf used to carry figs, symbolizing the earliest forms of portable storage. 2) A large shell serving as a collector of small items, highlighting the use of found objects for gathering. 3) A naturally hollowed-out piece of wood filled with root vegetables, demonstrating the use of natural formations as functional tools. 4) A piece of animal hide displaying simple tools like flint and a sharpened stick, illustrating the early development of tool-making and preparation skills.
2 Million Years Ago (Up to about 15,000 years ago)
Olduvai Gorge Site: A Glimpse into Early Organizational Behavior
Olduvai Gorge Site: A Glimpse into Early Organizational Behavior
Step back 800,000 years to the lush landscapes of Olduvai Gorge, Tanzania, where early humans pioneered the art of tool-making. This vivid scene captures a bustling workshop set among distinctive tuff cones and sedimentary pillars. Observe groups of early Homo species as they skillfully craft stone tools.
1.9 Million BCE
Homo erectus: A True Omnivore
Homo erectus: A True Omnivore
Image depicting two Homo erectus individuals at different stages of their evolutionary timeline. The first individual represents what Homo erectus might have looked like around 1.8 million years ago, and the second shows the species' features around 700,000 years ago, just before the transition towards Homo heidelbergensis.
1.8 Million Years Ago (+/- 500,000 years)
Emergence of Early Hominin Shelters
Emergence of Early Hominin Shelters
Imagined image: three types of early shelters that Homo erectus might have constructed. 1) Simple Lean-to: Made from branches and large leaves, providing basic protection against elements. 2) Structured Windbreak: Constructed with tightly packed branches and possibly covered with animal hides for better insulation. 3) Rudimentary Hut-like Structure: Using interwoven branches and vines, with a base of large stones to anchor it.
1.8 million years ago
Earliest Known Toothpicks
Earliest Known Toothpicks
Parietal bones and mandible of Homo habilis, OH 7 ("Johnny's Child"). This fossil, possibly from a 10- to 12-year-old male, was discovered in Olduvai Gorge, Tanzania, and dates back 1.7 million years. As the holotype for Homo habilis, it played a key role in defining the species. This replica is from the Institute of Evolution in Africa, displayed in the "Cradle of Humanity" exhibition at the Archaeological Regional Museum of Madrid.
1.76 Million BCE
Hand Axe
Hand Axe
Hand axes: Humans started using them nearly 2 million years ago. These meticulously crafted tools exemplify the advanced technological skills and cognitive capabilities of early humans. Its sophisticated design and precise craftsmanship underscore a deep understanding of material properties and tool use.
1.75 Million Years Ago
Modern Gorilla Species
Modern Gorilla Species
"<a href="https://www.flickr.com/photos/23411886@N00/51590197043" target="_blank" rel="noopener noreferrer">Gorilla Standing</a>" by <a href="https://www.flickr.com/photos/23411886@N00" target="_blank" rel="noopener noreferrer">..Adnan</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC 2.0</a>
1.52 Million BCE
1.53 to 1.51 Million BCE
Oldest Modern Human-like Footprints
Oldest Modern Human-like Footprints
1.5 Million Years Ago (+/- 500,000 years)
Chimpanzee-Bonobo Split
Chimpanzee-Bonobo Split
The Congo River split chimpanzees and bonobos about 1.5 mya.
1.2 Million BCE
Supported by DNA evidence.
Less Body Hair Emerges in Homo erectus
Less Body Hair Emerges in Homo erectus
Imagined image of Homo erectus about 1 million years ago shortly after evolving to have less hair.
1.2 Million BCE
Homo antecessor: Earlier Modern Looks
Homo antecessor: Earlier Modern Looks
800,000 BCE
800,000 to 200,000 BCE
Rapid Brain Growth
blue and green peacock feather
790,000 BCE
Genus Homo
Fire-Altered Stone Tools
Fire-Altered Stone Tools
"<a href="https://commons.wikimedia.org/w/index.php?curid=55942692" target="_blank" rel="noopener noreferrer">File:Flint tools, Numbers 41-64 (Top left to bottom right) (FindID 132815).jpg</a>" by The Portable Antiquities Scheme, Adam Daubney, 2006-05-17 10:54:28 is licensed under <a href="https://creativecommons.org/licenses/by-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 2.0</a>
770,000 BCE
from circa 770,000 BCE to circa 5700 BCE
Seasonal Settlements at Zhoukoudian site
Seasonal Settlements at Zhoukoudian site
Imagined image: Homo erectus around a communal fire pit, a similar setting to Zhoukoudian, circa 770,000 BCE.
700,000 BCE
Hyoid Bone: Speach Emerges
Hyoid Bone: Speach Emerges
Imagined image depicting the evolution of vocalization and early speech in hominins. The illustration features Homo habilis, Homo erectus, and Homo heidelbergensis, each represented in a context that corresponds to their stage of communication development. This visual captures the progression from simple vocal sounds to more structured speech-like communications as these species evolved.
700,000 BCE
Highly speculative. Based on rational analysis of the great apes.
Hominin World Population: 2 Million (speculative)
Hominin World Population: 2 Million (speculative)
Imagined image depicting diverse hominin species roaming Africa, the Middle East, Europe, and Asia, circa 700,000 BCE.
700,000 Years Ago
Full Emotional Intelligence Emerges
Full Emotional Intelligence Emerges
Circa 640,000 Years Ago
Homo heidelbergensis on Earth from about 640,000 to 200,000 BCE.
Homo heidelbergensis
Homo heidelbergensis
Imagined image depicting two Homo heidelbergensis individuals at different stages of their evolutionary timeline. The first individual represents what they might have looked like around 650,000 years ago, and the second shows them around 440,000 years ago, just before the transition towards Homo sapiens and Neanderthals.
600,000 Years Age
First Clothes: Proto-Clothing and the Advent of Garments
First Clothes: Proto-Clothing and the Advent of Garments
Imagined image depicting the evolution of early clothing among hominins. The image starts with a Homo erectus wearing very simple proto-clothing, such as basic animal skins or a simple decorative element like a bone or shell necklace. Progressing through the scene, an earlier Homo heidelbergensis or Homo antecessor is shown with slightly more advanced but still rudimentary clothing.
475,000 Years Ago
Transcendental Intelligence Emerges
Transcendental Intelligence Emerges
440,000 Years Ago (+/- 40,000 years)
Neanderthal-Sapien LCA
Neanderthal-Sapien LCA
Imagined image: Homo sapiens (center) might be a hybrid of two extict human species: Homo heidelbergensis and Homo antecessor. Left is heidelbergensis with its protruding jaw. Right is antessor with his small brain and flatter face.
430,000 BCE
On Earth from 430,000 to 29,000 BCE
Homo neanderthalensis: Verified True Symbolic Thought
Homo neanderthalensis: Verified True Symbolic Thought
Neanderthals and Homo sapiens had a common Homo heidelbergensis ancestor about 440 millennia ago or a common Homo antecessor ancestor about 900 millennia ago.
400,000 Years Ago
Genus Orangutans
Orangutan standing
Our last comman ancestor of all known great apes lived about 16.5 mya. The orangatan branch split off about 12 mya. After that split the orangatan branch split several more tiimes. The modern orangatan species, the last split of this branch, emerged about 400,000 years ago.
circa 400,000 Years Ago
Nice, France
Terra Amata Site, France
Terra Amata Site, France
Imagined imaged of the 400,000-year-old structure likely built by Homo heidelbergensis in France located on the coast at the Terra Amata site in Nice, France. The shelter is estimated to be around 4-5 meters (13-16 feet) wide and 6-7 meters (20-23 feet) long. It's believed to have been constructed using a simple framework of wooden posts, with branches and leaves used to create a roof and walls.
350,000 BCE
400,000 to 300,000 BCE
Oldest Surviving Spear
Oldest Surviving Spear
335,000 BCE
Human, but probably not our human branch.
Homo naledi: A Likely Hybrid
Homo naledi: A Likely Hybrid
Imagined image: Homo naledi. Left is circa 250,000 BCE. Right is circa 335,000 BCE. The later Homo naledi individual as appearing more human-like is somewhat speculative but can be supported by the evidence of their anatomical features and behaviors.
315,000 BCE
Homo Sapiens: Advanced Transcendental Intelligence
Homo Sapiens: Advanced Transcendental Intelligence
Imagined image: two Homo sapiens males from different stages of human evolution are featured. The first figure represents Homo sapiens from about 300,000 years ago, and the second from about 100,000 years ago, each with distinct features representative of their times.
300,000 BCE
500 to 30 Thousand BCE
Neanderthal-Denisovan Split
https://commons.wikimedia.org/wiki/File:Spread_and_Evolution_of_Denisovans.jpg
300,000 BCE
Africa; 300,000 to 500,000 years ago
Venus of Tan-Tan
Venus of Tan-Tan
"<a href="https://commons.wikimedia.org/w/index.php?curid=72180942" target="_blank" rel="noopener noreferrer">Museo de la Evolucion Humana Burgos - Tan Tan and Berekhat Ram Pebbles</a>" by Own work is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
300,000 BCE
Very speculative.
Hominin World Population: 2 Million (maybe)
Hominin World Population: 2 Million (maybe)
300,000 Years Ago
Survived from about 300,000 to 125,000 years ago.
Homo rhodesiensis: A Hybrid Lesson
Homo rhodesiensis: A Hybrid Lesson
Imagined Image: Homo rhodesiensis portrayal based on the limited skeletal remains from Kabwe, blends established fossil data with speculative reconstruction of soft tissues, reflecting an interpretative visualization of this ancient human species leaning toward modern facial features.
Before 290,000 BCE
Hominins; 290,000 to 700,000 years ago
Bhimbetka Petroglyphs, Cupules
Bhimbetka Petroglyphs, Cupules
Cave are found in central India dated back to 290 thousand years ago has significant implications for the evolution of the human brain.
275,000 BCE
Adam: Haplogroup A
Adam: Haplogroup A
Imagined image: Homo sapien couple, circa 275,000 years ago. Even as early as this, humans all over Africa, the Middle East, Europe, and Asia essentially looked like we look now.
236,000 Years Ago
Extinction: Homo naledi
Extinction: Homo naledi
200,000 Years Ago
Extinction: Homo heidelbergensis
Extinction: Homo heidelbergensis
Imagined image: the last of the Homo heidelbergensis, circa 200,000 BCE.
175,000 BCE
200,000 to 150,000 BCE
Eve: Haplogroup L
Eve: Haplogroup L
Imagined image: Homo sapien couple, circa 175,000 years ago. By this time, humans all over Africa, the Middle East, Europe, and Asia essentially looked like we look now.
150,000 BCE
200,000 to 150,000 BCE
Modern Human Looks and Brains
lover couple of caucasian male and female lay down at the beach relaxing
lover couple of caucasian male and female lay down at the beach relaxing
146,000 Years Ago
Homo longi: Rewriting Human Migration Narratives
Homo longi: Rewriting Human Migration Narratives
Imagined image: Homo longi man with a modern Neanderthal-sapien appearance, featuring characteristic traits such as a large and broad face, pronounced brow ridges, and a big nose. This look is to reflect an earlier migration out of Africa.
125,000 BCE
125,000 to 60,000 BCE
Seasonal Settlements at Klasies River Caves
Seasonal Settlements at Klasies River Caves
125,000 Years Ago
Extinction: Homo rhodesiensis
Extinction: Homo rhodesiensis
Imagined Image: Camp of Homo rhodesiensis around 125,000 years ago, set in a woodland area.
120,000 BCE
130,000 to 100,000 BCE
Many Early Out of Africa Migrations
Many Early Out of Africa Migrations
112,000 Years (+/- 3000 years)
Extinction: Homo Erectus
Extinction: Homo Erectus
Imagined image of the last of the Homo erectus, circa 50,000 BCE. By this time, Homo erectus had lived in many parts of Africa, the Middle East, Europe, and Asia. Now, as their numbers keep dwindling, they are mostly in just a few spots in Asia.
100,000 BCE
Extinction: Gigantopithecus
"<a href="https://commons.wikimedia.org/w/index.php?curid=55062736" target="_blank" rel="noopener noreferrer">Gigantopithecus</a>" by <a href="https://commons.wikimedia.org/w/index.php?title=User:Concavenator&action=edit&redlink=1" target="_blank" rel="noopener noreferrer">Concavenator</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
"<a href="https://commons.wikimedia.org/w/index.php?curid=89500749" target="_blank" rel="noopener noreferrer">Gigantopithecus mandible</a>" by James St. John is licensed under <a href="https://creativecommons.org/licenses/by/2.0/" target="_blank" rel="noopener noreferrer">CC BY 2.0</a>
76,000 BCE
Earliest Known Prepared Burial, “Mtoto”
Earliest Known Prepared Burial, “Mtoto”
75,000 BCE
Blombos Cave Engravings
Blombos Cave Engravings
"<a href="https://commons.wikimedia.org/w/index.php?curid=110908714" target="_blank" rel="noopener noreferrer">Blombo</a>" by Chris S. Henshilwood is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
70,000 BCE
2,800 Generations Ago
“The” Human DNA
Spiral strands of DNA on the dark background
Spiral strands of DNA on the dark background
70,000 BCE
Starting by 70,000 BCE
Successful Out of Africa Migration
Successful Out of Africa Migration
70,000 BCE
2,880 Generations Ago
Oldest Known Bracelet
Oldest Known Bracelet
By 70,000 BCE
World Population: 1.5 Million
World Population: 1.5 Million
70,000 BCE
circa 60 to 70 thousand BCE
The Sentinelese people on North Sentinel Island
The Sentinelese people on North Sentinel Island
The Sentinelese show that the modern human brain was fully evolved by at least 50,000 years ago.
65,000 BCE
Homo sapiens or an earlier Homo species
The Settlement of Australia
The Settlement of Australia
"<a href="https://commons.wikimedia.org/w/index.php?curid=80962081" target="_blank" rel="noopener noreferrer">Location Australasia cylindrical</a>" by <a href="https://commons.wikimedia.org/w/index.php?title=User:Emok&action=edit&redlink=1" target="_blank" rel="noopener noreferrer">(a) Blank map: Emok (b) Map content adapted from CIA World Fact Book via User:E Pluribus Anthony~commonswiki. That image is in the public domain because it contains materials that originally came from the United States Central Intelligence Agency's World Factbook.</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/3.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 3.0</a>
65,000 BCE
Extinction: Homo luzonensis
Extinction: Homo luzonensis
Imagined image: the last of the Homo luzonensis in the philippines circa 67,000 BCE. This is about 15,000 years before Homo sapiens arrive in the area.
Before 64000 BCE
Upper Paleolithic
Neanderthal Art: Symbolic Thought
Neanderthal Art: Symbolic Thought
Neanderthal art in Spain 64k BCE, before Homo sapien arrived.
50 to 60 Thousand BCE
Divje Babe Flute
Divje Babe Flute
50,000 BCE
Speculative: 20 to more than 50 thousand years ago.
Cuban Underwater City: More Research Needed
Cuban Underwater City: More Research Needed
48,000 BCE
58,000 to 48,000 BCE
Extinction: Homo floresiensis
Extinction: Homo floresiensis
Imagined image: the last of the Homo floresiensis. This intriguing human species might have been the last descendents of Homo habilis or the Asian Homo erectus: the famed Dmanisi people.
48,000 BCE (+/- 2,000 years)
Neanderthal Rope!
Neanderthal Rope!
Neanderthals made rope by 48,000 BCE indicating the raw cognitive abilities likely evolved on our common ancestor 440,000 years ago.
42,200 BCE
44,200 to 43,000 years old according to 24 radiocarbon tests
Lebombo bone: First Lunar Phase Counter
Lebombo bone: First Lunar Phase Counter
The Lebombo Bone was potentially used as a lunar phase counter or a simple tally stick. The series of notches may represent a lunar calendar, which would imply that early humans were tracking lunar phases for either ritualistic purposes or as a practical method for keeping time, possibly related to menstrual cycles or seasonal changes.
circa 41,900 BCE
Sulawesi Cave Art
Sulawesi Cave Art
"<a href="https://www.flickr.com/photos/40295335@N00/4409150010" target="_blank" rel="noopener noreferrer">Cave painting of wild pig, Leang-Leang, South Sulawesi</a>" by <a href="https://www.flickr.com/photos/40295335@N00" target="_blank" rel="noopener noreferrer">Joel Abroad</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC-SA 2.0</a>
circa 40,000 BCE
Phenotype Variation: Eye Shape and the Epicanthic Fold
Phenotype Variation: Eye Shape and the Epicanthic Fold
circa 40,000 BCE
Spain & France
Upper Paleolithic Cave Art with Symbols
Upper Paleolithic Cave Art with Symbols
"<a href="https://www.flickr.com/photos/50193753@N02/5961953059" target="_blank" rel="noopener noreferrer">Lascaux II - Hall of The Bulls</a>" by <a href="https://www.flickr.com/photos/50193753@N02" target="_blank" rel="noopener noreferrer">Adibu456</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC 2.0</a>
40,000
Extinction: Denisovans
Extinction: Denisovans
Imagined image of the last of the denisovans in Siberia, circa 40,000 BCE.
38,000 BCE
38,000 to 33,000 BCE
Venus of Hohle Fels
Ramessos, CC BY-SA 3.0 , via Wikimedia Commons
Venus of Hohle Fels figurine (height 6 cm (2.4 in)), which may have been worn as an amulet and is the earliest known, undisputed example of a depiction of a human being in prehistoric art.
38,000 BCE
38,000 to 33,000 BCE
Bone Flute
Bone Flute
38,000 BCE
Extinction range: 38,000 BCE to 22,000 BCE
Extinction: Neanderthals
Extinction: Neanderthals
Imagined image, circa 29,000 BCE. Left is a neanderthal; right is a Homo sapien.
30,000 BCE
Chauvet Cave Paintings
Chauvet Cave Paintings
"<a href="https://www.flickr.com/photos/78953420@N00/988861704" target="_blank" rel="noopener noreferrer">Chavet cave horses</a>" by <a href="https://www.flickr.com/photos/78953420@N00" target="_blank" rel="noopener noreferrer">jimforest</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC-ND 2.0</a>
30,000 BCE
29 to 32 thousand years ago.
Czeck: Dolní Věstonice Community
Czeck: Dolní Věstonice Community
Around 30,000 years ago, the Dolní Věstonice community in the Czech Republic thrived. They built huts from mammoth bones and animal hides, crafted ceramic figurines, and engaged in hunting and daily activities.
30,000 BCE
32,000 Years Ago
Sunghir Burial Site
Sunghir Burial Site
28,000 BCE
28,000 to 21,000 BCE
Advanced Sewing Needles
Advanced Sewing Needles
By 25,000 Years Ago (+/- 10,000 years)
Modern Skin Color Variety Emerges
Modern Skin Color Variety Emerges
20,000 BCE
From circa 20,000 to 3,000 BCE
Seasonal Settlements at Franchthi Cave
Seasonal Settlements at Franchthi Cave
By 20,000 BCE
Earliest Known Domesticated Animal: Dogs
Wolf-to-dog: same species, dogs are a subspecies
Wolves were domesticated between 15 to 40 thousand BCE and evolved to a subspecies. Dogs (Canis lupus familiaris) are generally considered the same species as wolves (Canis lupus) but are classified as a subspecies.
18,000 BCE
15 to 20 Thousand Years Agao
Ukraine: Mezhyrich Community
Ukraine: Mezhyrich Community
Mezhyrich archaeological site, 15 to 20 thousand years ago.
circa 14,800 BCE
Seasonal Settlements at Monte Verde
Seasonal Settlements at Monte Verde
circa 13000 BCE
The Clovis Culture
The Clovis Culture
"<a href="https://www.flickr.com/photos/76340031@N02/26453695844" target="_blank" rel="noopener noreferrer">Edge of the Cedars State Park Museum</a>" by <a href="https://www.flickr.com/photos/76340031@N02" target="_blank" rel="noopener noreferrer">BLMUtah</a> is licensed under <a href="https://creativecommons.org/publicdomain/mark/1.0/" target="_blank" rel="noopener noreferrer">CC PDM 1.0</a>
Before 14,400 BCE
Middle East
The Invention of Bread
Assortment of baked bread
Assortment of baked bread
circa 11,500 BCE
Evidence of farming: rye seeds
Tell Abu Hureyra
Tell Abu Hureyra
10,000 BCE
Estimates range from 2 to 5 million
World Population: 4 Million
World Population: 4 Million
9,700 BCE
Start of "our" Holocene geological epoch
Neolithic Revolution
Trevethy Quoit a Portal Dolmen in Cornwall
Trevethy Quoit a Portal Dolmen in Cornwall
Start of heyday: circa 9600 BCE
Initial construction circa 11,000 BCE (13,000 years ago)
Göbekli Tepe Culture (11000 BCE to 8000 BCE)
Göbekli Tepe Culture (11000 BCE to 8000 BCE)
Before 9000 BCE
Mexico
Corn
Glass Gem Flint Corn
Glass Gem Flint Corn
before 9000 BCE
Plaster Invented
wall, decay, plaster
Photo by <a href="https://pixabay.com/users/rikwebco-452946/?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">rikwebco</a> on <a href="https://pixabay.com" target="_blank" rel="noopener noreferrer">Pixabay</a>
9000 BCE
Jericho Founded
St Geaorge Monastery Desert
St Geaorge Monastery Desert
circa 8000 BCE
China
The Domestication of Rice
Bali Rice Fields
Bali Rice Fields
8000 BCE
Genetic Mutation from the Neolithic Era
Phenotype Variation: Blue Eyes
Photo of Woman With Blue Eyes and Black Hair
Photo by <a href="https://www.pexels.com/@valeriya?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">Valeria Boltneva</a> on <a href="https://pexels.com" target="_blank" rel="noopener noreferrer">Pexels</a>
circa 8000 BCE (speculative)
Under Investigation: Yonaguni Monument
Yonaguni Monument Terraces midpart NWW
Yonaguni Monument Terraces midpart NWW
circa 8000 BCE
Americas Agrarian Society
Mexico: Guilá Naquitz (Agrarian)
Mexico: Guilá Naquitz (Agrarian)
7500 BCE
Phenotype Variation: Lactose Tollerance
Phenotype Variation: Lactose Tollerance
circa 7500 BCE
Middle East Agrarian Society
Egypt: Nabta Playa (Agrarian)
Egypt: Nabta Playa (Agrarian)
circa 7500 BCE
Europe/Mediterranean Agrarian Society
Greece: Sesklo Culture (Agrarian)
Greece: Sesklo Culture (Agrarian)
Circa 8000-7000 BCE
Fuxi (伏羲)
Fuxi (伏羲)
Fuxi, showing multiple possible portraits representing what Fuxi might have looked like. The scene includes ancient Chinese architecture, cultural elements, and symbols of his contributions, such as the creation of humanity, the invention of writing, and teaching people to fish and hunt.
Circa 8000-7000 BCE
Nüwa (女娲)
Nüwa (女娲)
Nüwa, showing multiple possible portraits representing what Nüwa might have looked like. The scene includes ancient Chinese architecture, cultural elements, and symbols of her contributions, such as the creation of mankind and repairing the pillar of heaven.
circa 7200 BCE
Jordan
Ain Ghazal Statues: Early Plaster Art
Ain Ghazal Statues: Early Plaster Art
7,100 BCE
7,100 to 5,700 BCE
City of Catalhoyuk
City of Catalhoyuk
circa 7000 BCE
9,000 Years Ago
Beer, Ale, Wine
glass of beer, sausages and bread on the table
glass of beer, sausages and bread on the table
circa 7000 BCE
12,000 to 9,000 BCE (representing the start of 12,000 years)
Zoroastrian Universe Creation Date
Zoroastrian Universe Creation Date
circa 7000 BCE
Asia Agrarian Society
China: Jiahu Settlement (Agrarian)
China: Jiahu Settlement (Agrarian)
Imagined image: This panoramic image presents the Jiahu Settlement around 7000 BCE, capturing a vibrant Neolithic village in Henan, China. It features typical mud and wood homes with thatched roofs, nestled in a lush landscape where inhabitants are engaged in the early cultivation of rice, illustrating the dawn of agriculture in ancient China.
circa 7000 BCE
Oceana-Australasia Agrarian Society
New Guinea: Kuk Early Agricultural Site (Agrarian)
New Guinea: Kuk Early Agricultural Site (Agrarian)
7000 BCE
7000-6001 BCE
Neolithic Symbols: China
Neolithic Symbols: China
Potential earliest writing in Asian zone: the Oracle Bone Script is oldest confirmed symbols. Scientists are still going through a process to verify whether they are proto-writing or a writing system. If we can discover some intermediate links, we can firm up these symbols as early writing. 
6900 to 6300 BCE
Origins over 9,000 Years Ago
Atlit Yam Neolithic Village
Atlit Yam Neolithic Village
"<a href="https://www.flickr.com/photos/149617375@N05/31523297470" target="_blank" rel="noopener noreferrer">megalithic-atlit-yam</a>" by <a href="https://www.flickr.com/photos/149617375@N05" target="_blank" rel="noopener noreferrer">dionisosolympian</a> is licensed under <a href="https://creativecommons.org/publicdomain/mark/1.0/" target="_blank" rel="noopener noreferrer">CC PDM 1.0</a>
6500 BCE
6500 through 1900 BCE
Early Sumer Civilization
Early Sumer Civilization
6,000 BCE
Oldest Known Flute in China
Oldest Known Flute in China
Before 5500 BCE
Poland
Cheese
Delicious Cheese board. Assortment of cheese, camembert, brie, Gorgonzola, parmesan, olives
Delicious Cheese board. Assortment of cheese, camembert, brie, Gorgonzola, parmesan, olives
circa 5,260 BCE
7,260 Years Ago
Dispilio Tablet: European Proto-Writing
Dispilio Tablet: European Proto-Writing
This ancient wooden tablet, etched with intricate symbols, dates back over 7,000 years, making it one of the oldest examples of proto-writing ever found.
4900 BCE
Up to 7,900 Years Ago (Neolithic)
Vinor Circular Building: a roundel
Vinor Circular Building: a roundel
Roundel, the Vinor Circular Building, featuring a modest height typical of Neolithic construction, a thatched roof, and entrances appropriate for the time. The image includes a cutaway to reveal the interior details.
circa 4500 BCE
6,500 Years Ago
Proto-Inca People
Proto-Inca People
Pre-Inca People Village Around 4000 BCE: A hunter-gatherer village in the Andean highlands, depicting daily activities and simple huts harmoniously integrated with the mountainous terrain.
4,004 BCE
Sunday, October 23, 4004 BCE
4004 BCE, The Bible’s Earth Creation Date
4004 BCE, The Bible’s Earth Creation Date
4000 BCE
6,000 Years Ago
Proto-Olmec People
Proto-Olmec People
Pre-Olmec People Village Around 3000 BCE: A depiction of a hunter-gatherer village with simple huts, showcasing the daily activities and harmony with nature in a tropical environment.
3761 BCE
3761 BCE, Judaic Earth Creation Date
3761 BCE, Judaic Earth Creation Date
3500 BCE
Man Made Glass
blue green and red heart shaped stone
circa 3500 BCE
5,500 Years Ago
Proto-Maya People
Proto-Maya People
Pre-Mayan People Village Around 3000 BCE: A hunter-gatherer camp with natural-material huts, illustrating the communal lifestyle and activities in a tropical forest environment.
3400 BCE
3400 BCE to 100 CE (end of use for scholarly work)
Cuneiform Writing
Cuneiform Writing
3180 BCE
3180 to 2500 BCE
Skara Brae Scottish Village
Skara Brae Scottish Village
3114 BCE
August 11, 3114 BCE
3114 BCE: Mayan Earth Creation Date
3114 BCE: Mayan Earth Creation Date
3100 BCE
By 5,100 Years Ago
Oldest Known Dice: Skara Brae
© National Museums Scotland
3000 BCE
Estimates range from 9 to 16 million
World Population: 15 Million
World Population: 15 Million
3000 BCE
South America: 5,000 Years Ago
Fuente Magna Bowl: Forgery or Real?
Fuente Magna Bowl: Forgery or Real?
"<a href="https://commons.wikimedia.org/w/index.php?curid=77550391" target="_blank" rel="noopener noreferrer">Bed965fdf8aa813b97735ea21a0e3cfc(1)</a>" by none is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
circa 2800 BCE
The Divine Farmer
Shennong (神农)
Shennong (神农)
Shennong showing multiple possible portraits representing what Shennong might have looked like. The scene includes ancient Chinese architecture, cultural elements, and symbols of his contributions, such as teaching agriculture and herbal medicine, set against a harmonious landscape with fields, crops, medicinal plants, and early farming practices.
King of Uruk
Gilgamesh, circa 2700 BCE
Gilgamesh, circa 2700 BCE
2700 BCE
188 Generations Ago
Xia Dynasty (2070-1600 BCE)
Gyeongbokgung Palace, South Korea
circa 2650 BCE (+/- 50 years)
The Yellow Emperor (Huangdi)
The Yellow Emperor (Huangdi)
Ancient China during the time of the Yellow Emperor, featuring various possible portraits of what he might have looked like, along with symbolic representations of Yin and Yang, traditional architecture, and a harmonious landscape.
By 2600 BCE
The Rise of the Maya Civilization
Aerial view of Chichen Itza
Aerial view of Chichen Itza
circa 2600 BCE
The Wise King
King Shuruppak
King Shuruppak
No images of King Shuruppak exist. The best we can do is reimagine known aspects of Sumerian culture. This is a ziggurat typical of the time: one per each of the 30+ cities.
circa 2600 BCE
Indus Valley Script: Northwest India
Indus Valley Script: Northwest India
"<a href="https://commons.wikimedia.org/w/index.php?curid=5243844" target="_blank" rel="noopener noreferrer">File:Indus seal impression.jpg</a>" by <a href="https://commons.wikimedia.org/wiki/File:IndusValleySeals.JPG" target="_blank" rel="noopener noreferrer">PHGCOM IndusValleySeals.JPG</a> is licensed under <a href="http://creativecommons.org/licenses/by-sa/3.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 3.0</a>
A network of ideas.
New Look
Knowledge Framework
Knowledge Framework
Knowledge frameworks are the mind’s filing system. They do not just store information—they shape how we sort ideas, test claims, and decide what deserves belief.
The what, why, and how of life.
Philosophy
Philosophy
2400 BCE
Egypt
First Mail, First Postal System
man holding scroll
2350 BCE
2500 BCE to 2250 BCE
Oldest Known Library: Ebla
Oldest Known Library: Ebla
"<a href="https://commons.wikimedia.org/w/index.php?curid=57854047" target="_blank" rel="noopener noreferrer"><div class='fn'> Proto-Cuneiform tablet: administrative account of barley distribution with cylinder seal impression of a male figure, hunting dogs, and boars. Probably from the city of Uruk.</div></a>" by null is licensed under <a href="https://creativecommons.org/publicdomain/zero/1.0/deed.en/" target="_blank" rel="noopener noreferrer">CC CC0 1.0</a>
2348 BCE
Noah’s Flood Myth
Noah’s Flood Myth
Around 2000 BCE
4,000 Years Ago
Mayans Emerge
Mayans Emerge
Mayan Society in Their Heyday: A vibrant Mayan city after 1000 BCE, with towering pyramids, temples, and rich cultural activities set in lush tropical surroundings.
Before 1900 BCE
Mesoamerica
Chocolate
Cocoa powder and cocoa beans
Cocoa powder and cocoa beans
1900 BCE
from circa 1900 BCE to 1700 BCE
Cretan Hieroglyphic script: Greek Island
Cretan Hieroglyphic script: Greek Island
"<a href="https://commons.wikimedia.org/w/index.php?curid=141943738" target="_blank" rel="noopener noreferrer">Phaistos Disc - Side B - 6381 - crop1</a>" by <a href="https://commons.wikimedia.org/wiki/User:C_messier" target="_blank" rel="noopener noreferrer">C messier, edit by Bammesk</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 4.0</a>
1900 BCE
1900-1500 BCE
Proto-Sinaitic script
Proto-Sinaitic script
Used roughly between 1900 and 1500 BCE in the Sinai Peninsula by Canaanite-speaking peoples who adapted Egyptian hieroglyphs into the world’s first alphabetic script.
1755 BCE
Code of Hammurabi
Code of Hammurabi
1,700 BCE
148 Generations Ago
Rigveda Samhita, Veda Book 1 of 4
Rigveda Samhita, Veda Book 1 of 4
By 1600 BCE
Dragons: Early Dinosaur Fossils
Dragons: Early Dinosaur Fossils
Mythical Creatures and Fossil Discoveries: The Roots of Ancient Legends. Many various ancient mythical creatures were likely inspired by fossil discoveries including Chinese dragons, Greco-Roman giants, griffins, cyclopes, and other mythical beasts.
Around 1600 BCE
3,600 Year Ago
Olmec Society Emerges
Olmec Society Emerges
A bustling Olmec city after 1600 BCE, featuring large stone heads, pyramids, and vibrant daily life activities amidst lush tropical vegetation.
1500 BCE
1500 BCE to 500 BCE
The Lapita Culture
The Lapita Culture
"<a href="https://www.flickr.com/photos/82032880@N00/15612056877" target="_blank" rel="noopener noreferrer">LapitaFragments</a>" by <a href="https://www.flickr.com/photos/82032880@N00" target="_blank" rel="noopener noreferrer">profzucker</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC-SA 2.0</a>
1400 BCE
circa 1700–1400 BCE
Minoan Frescoes at Knossos
Minoan Frescoes at Knossos
"<a href="https://www.flickr.com/photos/41523983@N08/30547636456" target="_blank" rel="noopener noreferrer">Minoan fresco depicting a bull leaping scene, found in Knossos, 1600-1400 BC, Heraklion Archaeological Museum, Crete</a>" by <a href="https://www.flickr.com/photos/41523983@N08" target="_blank" rel="noopener noreferrer">Following Hadrian</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/2.0/" target="_blank" rel="noopener noreferrer">CC BY-SA 2.0</a>
circa 1350 BCE
Frescoes of the Tomb of Nebamun
Frescoes of the Tomb of Nebamun
"<a href="https://commons.wikimedia.org/w/index.php?curid=71407159" target="_blank" rel="noopener noreferrer"><div class='fn'> Tomb Of Nebamun Painting 1</div></a>" by <a href="https://500px.com/GeorgeL86" target="_blank" rel="noopener noreferrer">George Lodge</a> is licensed under <a href="https://creativecommons.org/licenses/by/3.0/" target="_blank" rel="noopener noreferrer">CC BY 3.0</a>
1344 BCE
circa 1340 to 1320 BCE
Oldest Known Monotheistic Religion: Atenism
Oldest Known Monotheistic Religion: Atenism
In the ninth year of the reign of Akhenaten, he declared the traditional supreme God Aten to be the only God of Egypt with himself as the sole communicator to Aten. About the image: Akhenaton and Nefertiti seated, holding 3 of their daughters.
1300 BCE
1500-1100 BCE
Phoenician Alphabet
Phoenician Alphabet
1250 BCE
Oracle Bone Script: China
Oracle Bone Script: China
1100 BCE (+/- 300 years)
125 Generations Ago
Major Religion: Hinduism
Major Religion: Hinduism
Hinduism, one of the world's oldest religions, emerged around 1100 BCE, several centuries after the Indus Valley Civilization collapsed. Hinduism has no known roots in the IVC, but it's a topic to follow as we uncover clues.
900 BCE
From before 900 BCE to 400 BCE.
Olmec Hieroglyphs: Mexico
Olmec Hieroglyphs: Mexico
circa 800 BCE
Gargi Vachaknavi
Hindu god Ganesha on white wooden table. Candles on background
Hindu god Ganesha on white wooden table. Candles on background
The Nature of Being.
We are more than self-aware.
Ontology
Ontology
Who you are is partly given, but who you become is always unfolding.
Nature is the master plan.
Holism
Holism
624 BCE
Circa 624-546 BCE
The Birth of Logic
The Birth of Logic
Early or "First" Science
The Grandfather of Western Philosophy
Thales of Miletus (624 – 546 BCE)
Thales of Miletus (624 – 546 BCE)
Built circa 700 BCE, destroyed 612 BCE.
Library of Ashurbanipal
Library of Ashurbanipal
A conservative recreation of the exterior of the Library of Ashurbanipal, illustrating the architectural style of ancient Assyrian buildings. The image depicts a grand structure on a raised platform, adorned with carvings and motifs characteristic of Assyrian art. While the depiction includes speculative elements, such as the building's size and detailed adornments, it aims to capture the historical significance and imposing presence of this legendary library in the heart of Nineveh.
b. circa 604 BCE
By tradition, 604-517 BCE
Laozi
Laozi
Laozi or Lou Tzu (604-517 BCE). Founder of Daoism, aka Taoism. The life of Laozi is shrouded in mystery, but he is the first philosopher in “30 Philosophers” that attempts to construct a precise biography.
600 BCE
Spherical Earth
Realistic Earth Planet against the the star sky
Realistic Earth Planet against the the star sky
600 BCE
New Look
New Look: The Flood Stories
New Look: The Flood Stories
The Great Flood myths: Sumerian and the biblical story of Noah's Ark.
Go with the flow of nature.
Wu-wei or “non-action”
Wu-wei or “non-action”
Let life unfold organically.
Ziran, Authenticity, or Authentic Self
Ziran, Authenticity, or Authentic Self
A good life is a balanced life.
Yin and Yang
Yin and Yang
We can only describe nature.
Unknowable Dao
Unknowable Dao
The Unknowable Dao reminds us that when we define something too tightly, we risk mistaking our description for the thing itself.
Pythagoreanism
Father of Mathematics
Pythagoras (570-495 BCE)
Pythagoras (570-495 BCE)
b. 551 BCE
551 to 479 BCE, aged 72
Confucius
Confucius
Normal is our current experiences.
New Look
Normalcy, Normal, and Abnormal
Normalcy, Normal, and Abnormal
Normalcy is a pattern-based idea formed from repeated experience and reinforced by social expectations.
The abstractions of life.
Schemas
Schemas
b. circa 563
circa 563 to 486 BCE
Gautama Buddha
Gautama Buddha
Subhrajyoti07, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Your idea of "self" does not exist.
Non-Self or Anatman and Self or Atman
Non-Self or Anatman and Self or Atman
Imagined image: The concept of non-self, emphasizing the idea that nothing lasts forever and the notion that the "self" does not exist. It captures the transient nature of existence and the dissolution of the perceived self into the natural world.
The separation of mind and body is an illusion.
Nondualism and Dualism
Nondualism and Dualism
Imagined image: The concepts of nondualism and dualism. The philosophical exploration of the mind, body, and reality, the distinctions and connections between them.
born circa 535 BCE
circa 535 to 475 BCE, likely aged about 60 years old
Heraclitus
Heraclitus
RoyFokker, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Change is the only constant.
Impermanence and Flux
Impermanence and Flux
Your sub-culture and choices.
Worldview
Worldview
You do not see the world raw. You see it through a worldview. That worldview grows from the frameworks you inherit and adopt, and it continues to change as your experience changes.
Existence before essence.
Crafting yourself from your given traits.
Identity
Identity
Identity is the personal mosaic that makes you you. It includes what you were born into, what you have chosen, and what has changed along the way. It is not fixed at birth. It is shaped over time through living, learning, belonging, and becoming.
500 BCE
circa 450 BCE
Anaxagoras (circa 500-428 BCE)
Anaxagoras (circa 500-428 BCE)
Socratic Questioning
Father of Western Ethics
Socrates (469 – 399 BCE)
Socrates (469 – 399 BCE)
Portrait of Socrates. Marble, Roman artwork (1st century), perhaps a copy of a lost bronze statue made by Lysippos
Atomist
The Laughing Philosopher
Democritus (460 BCE – circa 370 BCE)
Democritus (460 BCE – circa 370 BCE)
Two and a half millennia ago, Democritus imagined atoms in the void — long before microscopes, equations, or particle accelerators confirmed the intuition.
451 BCE
Law of the Twelve Tables
451 BCE.
451 BCE. Law of the Twelve Tables. Think well by remembering that law is not just rules. It is one of society’s great methods for forcing claims into the open.
b. 428 BCE
428 to 347 BCE
Plato
Plato
A constant state of self-assessment.
Reflective Inquiry
Reflective Inquiry
Strategic ignorance.
Ignorance is Bliss
Ignorance is Bliss
New Look
Plato and Aristotle’s Relationship
Plato and Aristotle’s Relationship
b. 384 BCE
384 to 322 BCE
Aristotle
Aristotle
Portrait of Aristoteles. Copy of the Imperial era (1st or 2nd century) of a lost bronze sculpture made by Lysippos
Logically connect things.
Syllogisms
Syllogisms
Prioritize your ideas over reality.
Rationalism
Rationalism
Prioritize reality over your ideas.
Empiricism
Empiricism
Reality is organized and mathematical.
Logic
Logic
Flaws in reasoning.
Logical Fallacies
Logical Fallacies
Flourish now and into the future.
Eudaimonia
Eudaimonia
Daoism
Chuang Tzu (369-286 BCE)
Chuang Tzu (369-286 BCE)
b. 360 BCE
360 to 270 BCE
Pyrrho of Elis
Pyrrho of Elis
Question your beliefs and avoid dogmatism.
Skepticism
Skepticism
Shared, not natural agreements.
Social Constructs 101
Social Constructs 101
Social constructs are the human-made concepts shaping our reality.
New Look
Epicurean Happiness Toolkit: A 4-Step Structure
Epicurean Happiness Toolkit: A 4-Step Structure
Epicurean Agnosticism is the indifference to unknowable mysteries that are likely to lead to unhappiness.
b. 341 BCE
341 to 270 BCE
Epicurus
Epicurus
Roman marble copy of a 3rd-century BCE Greek original, likely created before 1st century CE.
Don't waste time on the unknowable.
Live in the present.
Agnosticism
Agnosticism
The essence of agnosticism is the uncertainty and indifference toward the unknowable.
Prefer long term pleasures over short.
Dichotomy of Pleasure
Dichotomy of Pleasure
Dichotomy of Pleasure: Epicureanism highlights the difference between short-term and long-term pleasures. They assert you can live a better life by focusing on long-term pleasures like exercise and reading over short-term pleasures like overeating and getting drunk.
Stoicism
Father of Stoicism
Zeno of Citium (334-262 BCE)
https://en.wikipedia.org/wiki/File:Paolo_Monti_-_Servizio_fotografico_(Napoli,_1969)_-_BEIC_6353768.jpg
322 BCE
Wake of Alexander the Great
The Foundation of the Maurya Empire
The Foundation of the Maurya Empire
106 BCE
84 Generations Ago
Cicero (106-43 BCE)
Cicero (106-43 BCE)
b. circa 20 BCE
circa 20 BCE to circa 55 CE
Philo of Alexandria
Philo of Alexandria
Stories have complex meanings.
Allegorical Interpretation
Allegorical Interpretation
Imagined Image: Philo of Alexandria reinterpreting the story of Noah through allegorical interpretation. It captures the essence of his scholarly reinterpretation with symbolic elements.
Stoic Tradition
Roman Stoic Statesman
Seneca the Younger (4 BCE – 65 CE)
Seneca the Younger (4 BCE – 65 CE)
~20 Million Years Ago (+/- 10 million)
Black mold
Black mold
The dark mold in your shower is part of the same ancient mold story — not always the exact same species, but certainly the same fungal world.
65 CE
Earliest Known Magnification
crystal lens ball in a woman’s hand, with a refracted view of a misty country lane
crystal lens ball in a woman’s hand, with a refracted view of a misty country lane
circa 100 CE
78 Generations Ago
Epictetus (50-135 CE)
Epictetus (50-135 CE)
New Look
Marcus Aurelius: An Explorative Agnostic
Marcus Aurelius: An Explorative Agnostic
New Look
Stoic Virtue Framework: A 4-Step Structure
Stoic Virtue Framework: A 4-Step Structure
born 121
121 to 180 CE
Marcus Aurelius
Marcus Aurelius
Emotions are judgements.
Cognitive Reframing
Cognitive Reframing
Contemplate the future.
Negative Visualization
Negative Visualization
Step outside your reality.
Cognitive Distancing
Cognitive Distancing
Cognitive Distancing and the Stoic View from Above: Gain clarity and objectivity by mentally elevating yourself to see the broader perspective, reducing the emotional impact of transient thoughts.
185 CE
Verified. Historically documented and empirically validated.
RCW 86 Supernova
galaxy, cosmos, physical, science fiction wallpaper. Deep space.
galaxy, cosmos, physical, science fiction wallpaper. Deep space.
circa 300 BCE to 200 CE
Badarayana
sand sculpture of Ganesha in Hinduism, the god of wisdom and well-being with the head of an elephant
sand sculpture of Ganesha in Hinduism, the god of wisdom and well-being with the head of an elephant
Karma
Cause and Effect
Cause and Effect
Cause and effect, the idea that every action has a reaction and ethical implications of personal responsibility and the acceptance of consequences.
Maya, Illusion.
Cognitive Biases
Cognitive Biases
Cognitive bias: the mind’s attempt to simplify complexity can quietly distort perception. Without discipline, shortcuts become traps — shaping decisions, inflating certainty, and steering judgment away from reality.
New Look
The “Dark” Middle Ages
The “Dark” Middle Ages
The Middle Ages, from the end of the classical era to the Renaissance, is traditionally seen as intellectually dark due to the dominance of a single narrative over the unknown. It is characterized by the rise of belief systems.
New Look
Holistic Eudaimonia
Holistic Eudaimonia
The psychology of Holistic Eudaimonia surfaces with the various stages of life, acts of kindness, and elements symbolizing legacy and future impact. It blends natural life with the abstract concept of time and space, highlighting the continuity of actions and their lasting effects.
born 354
354 to 430 CE
Augustine of Hippo
Augustine of Hippo
Spacetime
Chronoception
Chronoception
Chronoception: remembering past events, experiencing the present, and anticipating the future.
Block Theory of the Universe
New Look
Eternity
Eternity
Augustine's concept of eternity as 'all time at once,' positioned as a precursor to the modern block universe theory. Time existing simultaneously.
born 872
872 to 950
Al-Farabi
Al-Farabi
Blank slate filled with impressions
Intellect
Intellect
The Journey of Intellect: From the potential of a blank canvas, through the exploration of creating, to the mastery of refining a masterpiece. This triptych captures the evolution of human thought and creativity.
You exist, then you mold your essence.
Essence and Existence
Essence and Existence
Existence precedes essence: we are born into biological structure, but identity forms over time. No prewritten metaphysical script — only structured reality, evolving memory, and the eventual fading of each life into history’s shadow.
New Look
The Floating Man Thought Experiment
The Floating Man Thought Experiment
Floating Man thought experiment, Deprivation Chamber edition. Imagine you are floating in a dimly lit, minimalist room with a futuristic-looking tub filled with dense saltwater. The separation of the mind from the physical body, conveying a sense of isolation and introspection.
born 965
965 to 1040
Alhazen
Alhazen
1000 CE
Word-Spacing
Word-Spacing
Use grammar to strengthen clarity, not to suffocate communication. Before about 1,000 CE, we didn't even have spaces!
Circa 1020
New Look
The Five Senses of Humans
Olfaction or Sense of Smell Study.
Olfaction or Sense of Smell Study.
Interpretation
Touchstone: Perception
Touchstone: Perception
Perception, how the brain interprets sensory information and transforms it into understanding.
Mike's Spacetime Game
New Look
Time Trail Game: Mindful Time Travel
Time Trail Game: Mindful Time Travel
Time Trail Raw is you in two distinct but connected locations, pondering the raw, prelinguistic nature of thought and perception. Your prelinguistic thoughts creating a sense of mindfulness and introspection.
Neoplatonist
French Philosopher
Bernard of Chartres (circa 1070 – 1130)
Bernard of Chartres (circa 1070 – 1130)
There are no surviving images of Bernard of Chartres. As a scholastic, the best we can do is an artistic representation of scholasticism.
born 1079
1079 to 1141
Peter Abelard
Peter Abelard
Good Intent vs Good Results
Intent
The concept of intent, the contrast between good and bad intentions.
Abstraction brings understanding and illusion
New Look
Object-Oriented Nature
Object-Oriented Nature
Humans perceive a bicycle as a simple, efficient tool for movement, travel, and carrying things. However, each bike is an intricate assembly of parts like handlebars, frames, and wheels, made from materials such as aluminum, steel, and rubber. These materials themselves break down into fundamental elements like iron, carbon, and manganese. This image captures the layers of abstraction in our perception, from the complete bike to its atomic structure, showcasing the complexity behind everyday objects we use to move through the world.
Patterns in Nature
Pattern Recognition
Pattern Recognition
Humans possess a remarkable ability to hierarchically organize the patterns they perceive, known as pattern ranking. From simple shapes and natural forms to complex abstract symbols, our minds categorize and rank these patterns, creating a structured understanding of the world. This image illustrates the cognitive process of organizing and interacting with patterns, highlighting the depth and complexity of human perception.
New Look
The Problem of Universals
The Problem of Universals
New Look
The Idea of Ideas
The Idea of Ideas
A personal spiritual experience may be real as an experience, meaningful as a belief, and still fall short of public proof about the material world.
New Look
Grand Rational Framework
Grand Rational Framework
The Grand Rational Framework is comprised of rational frameworks in which validated empirical elements form a solid foundation. There are logically consistent interconnected relationships between empirical claims which create a stable and ever-evolving understanding of the material world. This knowledge expands and is limited by the vast expanse of the universe.
1150
Angkor Wat
Angkor Wat
Angkor Wat
Around 1200 CE
Inca Society Emerges
Inca Society Emerges
Inca Society in Their Heyday: A bustling Inca city after 1400 CE, featuring stone buildings, terraced fields, and vibrant cultural life set in the lush Andes mountains.
1215
Magna Carta
Magna Carta
12 Nov 1216
The First Great Charter of King Henry III
The First Great Charter of King Henry III
1300
The Māori Settlement of New Zealand: Earliest Known
tradition, lives, maori
Photo by <a href="https://pixabay.com/users/2651624-2651624/?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">2651624</a> on <a href="https://pixabay.com" target="_blank" rel="noopener noreferrer">Pixabay</a>
1300 CE
Upper and Lowercase Starts
Upper and Lowercase Starts
On the Revolutions of the Celestial Spheres by Nicolaus Copernicus, 1543. By this groundbreaking book, the widespread adoption of modern punctuation had evolved.
1400
Hourglass
Hourglass on the Beach
Hourglass on the Beach
1440
Germany
Printing Press Invented
Printing Press Invented
The printing press gave journalism reach, making public scrutiny possible at a larger scale.
born 1469
1469 to 1539
Guru Nanak
Guru Nanak
born 1473
Lived 1473 to 1543, aged 70.
Nicolas Copernicus
Nicolas Copernicus
No confirmed likeness survives. These portraits are later artistic interpretations.
5 ethical guideposts
The Five Thieves
The Five Thieves
The Sikh concept of The Five Thieves: Lust, Anger, Greed, Attachment, and Ego.
28 Feb 1533
Michel de Montaigne (1533-1592)
Michel de Montaigne (1533-1592)
born 1561
1561 to 1626
Francis Bacon
Francis Bacon
born 1564.
Lived from 1564 to 1642, aged 77.
Galileo Galilei
Galileo Galilei
Portrait of Galileo at about 74. He included a copy in his 1638 Two New Sciences book.
1590 to 1640 CE
Microscope Invented = Microworld Discovered!
Various bacteria cells in microscope. Streptococcus pneumonia, p
Various bacteria cells in microscope. Streptococcus pneumonia, p
1596-1649
Rene Descartes
Rene Descartes
How new ideas become.
New Look
Idea Modeling
Idea Modeling
Idea Modeling is a fresh new look at the process of creating new ideas. It is the dynamic interplay of various cognitive functions, but especially pattern recognition and conceptual blending. For this discussion let’s add in curiosity, gap-filling, and information bias. The whole thing is guided by apathetic agnosticism, our defense against bad ideas. It is in line with modern neurobiology, but to be clear, it’s just a general philosophical lens, another view of how ideas are forged.
3 Types: Empirical, Rational, & Irrational
New Look
Pragmatism
Pragmatism
The Rational Pragmatist embraces common knowledge and accommodates their Christian faith while rejecting most other supernatural ideas. The Irrational Pragmatist does not believe in common knowledge.
circa 1600 CE
Late 16th to Early 18th Century
The Birth of Baroque Art
white and brown concrete building painting
Photo by <a href="https://unsplash.com/@birminghammuseumstrust?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">Birmingham Museums Trust</a> on <a href="https://unsplash.com" target="_blank" rel="noopener noreferrer">Unsplash</a>
born circa 1602
circa 1602 to Mar 1683
Roger Williams
Roger Williams
Detail of Roger Williams Landing Place monument in Slate Rock Park aka Roger Williams Square, Providence Rhode Island.
1748 with Montesquieu
Evolved from 1640 through 1748
Separation of Church and State
Separation of Church and State
Everyone is equal.
Liberalism
Liberalism
Liberalism emphasizes personal freedom, individual rights, equality before the law, and limited government intervention. It is political freedom and civil liberties.
5 Nov 1605
Gunpowder Treason Plot
Gunpowder Treason Plot
1606
King James I Orders New British Flag
King James I Orders New British Flag
The U.K. flag from
1608
Modern Cosmology
Modern Cosmology
"<a href="https://www.flickr.com/photos/11304375@N07/2818891443" target="_blank" rel="noopener noreferrer">01 The Solar System PIA10231, mod02</a>" by <a href="https://www.flickr.com/photos/11304375@N07" target="_blank" rel="noopener noreferrer">Image Editor</a> is licensed under <a href="https://creativecommons.org/licenses/by/2.0/" target="_blank" rel="noopener noreferrer">CC BY 2.0</a>
1610
Galileo: Observation Corrects the Map
Galileo: Observation Corrects the Map
Portrait of Galileo at about 74. He included a copy in his 1638 Two New Sciences book.
1611
King James Bible Published
King James Bible Published
18 Mar 1612
Bartholomew Legate Burned at the Stake
Bartholomew Legate Burned at the Stake
11 Nov 1620
Mayflower Compact
Mayflower Compact
Artist rendition of what the signing of the Mayflower Compact might have looked like.
The Idea of the Unknowable Dao
New Look
Absolute Truth
Absolute Truth
Processes that uncover truth.
New Look
Truth Hammers
Truth Hammers
A disciplined thinker does not hand confidence to a claim just because it is common. First ask whether it lives by habit, tribe, and repetition, or by testing, evidence, and open challenge.
1629
Modern science started in the 1600s.
The Scientific Method
The Scientific Method
New Look
Idea Theory Framework
Idea Theory Framework
The transformative process of ideas through the Idea Theory Framework. Panel One: whimsical and imaginative birth of speculative ideas. Panel Two: rigorous testing of hypotheses in the scientific laboratory. Panel Three: established theories are taught and shared in the classroom. The cyclical nature of this process, including the possibility of demotion for disproven ideas, underscores the dynamic and evolving pursuit of knowledge.
born 1632
1632 to 1704
John Locke
John Locke
Jul 1632
Relativity Principle
Relativity Principle
Law protects.
Modern law emerges after the Middle Ages.
Law
Law
Public belief may accuse, praise, or panic. Law slows that down and asks: what can actually be shown?
Life, Liberty, & Property Rights
Natural Rights
Natural Rights
Protection against authority.
Emerged in the 1600s.
Due Process
Due Process
born 1632
1632-1677, aged 44
Baruch Spinoza
https://commons.wikimedia.org/wiki/File:Spinoza_(cropped).jpg
1638
Infinitesimal
Infinitesimal
1641 - Two Substances: Body & Soul
Cartesian Dualism
Mind-Body Dualism
Mind-Body Dualism
New Look
Descartes Thought Experiment
Descartes Thought Experiment
Descartes' thought experiment: Descartes questioned the reliability of his senses, contemplated rational ideas with things like the influence of an evil demon. He eventually came to the realization "I think, therefore I am." This allowed him to emerge from an existential void. His cosmic and interconnected thought journey from doubt to certainty helped establish modern philosophy.
7 Sep 1643
Book: A Key Into the Language of America
Book: A Key Into the Language of America
1644
Book: The Bloudy Tenent of Persecution
Book: The Bloudy Tenent of Persecution
14 Mar 1644
Patent for Providence Plantations, Roger Williams
Patent for Providence Plantations, Roger Williams
1654
Book: Christenings make not Christians
Jul 1663
Founder, Colony of Rhode Island and Providence Plantations
Founder, Colony of Rhode Island and Providence Plantations
State House, Providence, Rhode Island.
God is nature, nature is everything.
Western monism emerged with Spinoza in the 1600s.
Monism
Monism
Imagined image emphasizing the idea of Monism with a focus on the concept of one substance and no spirit world. It highlights the continuous flow of energy and material substance, illustrating the interconnectedness of all things without any separate realms.
Spirituality is exploration.
New Look
Material-Spiritual Framework
Material-Spiritual Framework
The Material-Spiritual Framework's division of spirituality into agnostic, nontheistic, and theistic.
New Look
Open Viewpoint Method (OVM)
Open Viewpoint Method (OVM)
Open Viewpoint Method (OVM) is a bridge between worldviews — spirituality on one side, empiricism on the other — built on disciplined listening and calibrated confidence. It does not erase disagreement; it structures it. Debate becomes harmonic dialogue when ideas are separated from identity and claims are evaluated without tribal reflex.
9 Aug 1672
The Great Quaker Debates!
The Great Quaker Debates!
1674
Protozoa Discovered: Microbiology Founded
Protozoa Discovered: Microbiology Founded
About 2 billion years ago, eukaryotic cells are defined by a membrane-bound nucleus and internal organelles. Their emergence created the structural foundation for complex life.
25 Jun 1675
1675-1678: The King Philip’s War
1675-1678: The King Philip’s War
After the untimely death of his brother, Metacomet (known as King Philip) became the chief of the Wampanoag tribe, which had once numbered in the thousands. On the eve of the war, much of the Wampanoag population had been wiped out by disease introduced from Europe and by war’s end only 400 remained.
1679
Roger’s Last Known Essay
Roger’s Last Known Essay
5 Jul 1687
The Invention of Calculus
geometry, mathematics, volume
Photo by <a href="https://pixabay.com/users/geralt-9301/?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">geralt</a> on <a href="https://pixabay.com" target="_blank" rel="noopener noreferrer">Pixabay</a>
1689
English Bill of Rights
Citizens consent to be governed.
Emerged about 1689.
The Social Contract
The Social Contract
The force of public opinion.
The fourth emerged in the 18th & 19th centuries.
Fourth Estate
Fourth Estate
The Fourth Estate emphasizes freedom of the press and has a role in challenging authority.
Storytelling for the people.
Modern journalism started in the early 1700s.
Journalism
Journalism
Journalism tests public claims by gathering facts, checking sources, and bringing events into the open.
born 1694
1694-1778
Voltaire
Voltaire
The transformation of François-Marie Arouet into Voltaire: From a budding scholar in Paris, to a prisoner of ideas in the Bastille, to a celebrated playwright whose words ignited the Enlightenment.
born 1711
1711-1776
David Hume
https://en.wikipedia.org/wiki/File:David_Hume.jpg
The Scottish Enlightenment philosopher and historian Hume was a leading exponent of empiricism. The belief that all human knowledge derives solely from experience.
Our Ideas are Not Reality
The Eastern unknowable Dao emerged in the West in the late 1700s.
Transcendental Idealism
Transcendental Idealism
Live by universal values.
Emerged in late 1700s.
Categorical Imperative
Categorical Imperative
born 1724
1724-1804
Immanuel Kant
Immanuel Kant
Knowledge is experience.
Skeptical Empiricism
Skeptical Empiricism
Skeptical Empiricism is the idea that all knowledge stems from experiences and challenges the concept of innate knowledge.
Patterns might mislead.
The Problem of Induction
The Problem of Induction
The Problem of Induction illustrates the circular nature of inductive logic and the intellectual puzzle it presents.
Life is definitions & observations.
New Look
Hume’s Fork
Hume’s Fork
Instincts and Impressions
New Look
Modern Innate Knowledge
Modern Innate Knowledge
Modern Innate Knowledge is Hume's idea of impressions and its interplay with our instincts, our innate knowledge. We can breakdown our instincts into three interconnected categories: basic instincts with primal elements, developmental instincts showing growth and learning, and situational instincts such as adaptive responses.
New Look
Fear-Based Ethics
Fear-Based Ethics
Fear-Based Ethics within Consequentialism is a dark, oppressive ethical system. Morality based on things like Karma and Divine Command Theory, are faulty. They evoke fear and anxiety because right and wrong are no longer a thing, only fear exists. The fix is easy, even within fear-based ethical systems, the solution is to emphasize the intrinsic value of moral acts. This allows you to transition at a fundamental level from fear-based ethics to understanding the intrinsic value of morality.
New Look
Ethical Roadmap
Ethical Roadmap
An Ethical Roadmap is a winding path through different philosophical landscapes from Aristotle's virtue ethics to Mill's utilitarianism. For many, the modern path is a holistic approach to ethics, avoiding fear-based systems and embracing good intent and good results. Along the path, people reflect on their actions, evaluate their motivations, and measure their results to guide future acts as one journeys through moral decisions.
Separation of Powers
Matured about 1748.
Checks and Balances
Checks and Balances
4 Jul 1776
Declaration of Independence
Declaration of Independence
stone.tif
Oct 1776
Common Sense by Thomas Paine
Common Sense by Thomas Paine
Nov 1783
Black Holes Proposed
Black Holes Proposed
From Speculation to Science: From the 18th-century conjectures of John Michell and Pierre-Simon Laplace, who envisioned "dark stars" with gravitational forces so intense that not even light could escape, to the 20th century when Albert Einstein solidified the concept through his General Theory of Relativity. Image juxtaposes the early theoretical diagrams of black holes with Einstein’s detailed mathematical portrayal of spacetime curvature.
17 Sep 1787
The Constitution of the United States
The Constitution of the United States
born 1788.
Lived from 1788 to 1860, aged 72.
Arthur Schopenhauer
Arthur Schopenhauer
Arthur Schopenhauer gave one of philosophy’s bleakest answers to the human condition: beneath our thoughts and ambitions lies a blind Will, endlessly driving desire, struggle, and dissatisfaction.
3 Dec 1791
Bill of Rights
Constitution, Gavel and handcuffs
The Bill of Rights protects personal liberty by limiting government power.
7 Feb 1795
11th Amendment
born 1806
1806-1873
John Stuart Mill
John Stuart Mill
British Naturalist
Charles Darwin (1809-1882)
Charles Darwin (1809-1882)
b. 1813
1813 to 1855, aged 42
Søren Aabye Kierkegaard
Søren Aabye Kierkegaard
Unfinished sketch of Kierkegaard by his cousin Niels Christian Kierkegaard, Royal Library, Copenhagen, c. 1840
British Naturalist and Explorer
Father of Biogeography
Alfred Russel Wallace (1823-1913)
Alfred Russel Wallace (1823-1913)
1824
The Birth of Paleontology
Fossils: From Myth to Science
Fossils: From Myth to Science
From Myth to Science: Humanity's Journey to Understanding Fossils. The journey of humanity's acceptance of fossils as extinct animals started with Robert Plot examining a large bone in the 17th century as well as Mary Anning discovering fossils along the coast, and Gideon Mantell studying Iguanodon teeth. Finally, William Buckland describes a Megalosaurus in 1824.
1842
Doppler Effect for Sound and Light
Doppler Effect for Sound and Light
Use angst to guide your life.
1843: “Fear and Trembling” by Kierkegaard.
Anxiety “Angst”
Anxiety “Angst”
Imagined image: Soren Kierkegaard at his famous desk feeling profound existential angst.
New Look
Leap of Faith
Leap of Faith
Kierkegaard's Leap of Faith redefined for all. When faced with the vast unknown, you sometimes need to take a leap of faith whether that leap is rooted in religious beliefs or not. The using of angst and uncertainty to guide your life gave rise to both modern psychology and existentialism.
born 1844
1844-1900
Friedrich Nietzsche
Friedrich Nietzsche
Chapter 30 in "30 Philosophers" explores Nietzsche's story and philosophy.
1848
Doppler Effect Observed for Stars
Doppler Effect Observed for Stars
In 1848, French physicist Hippolyte Fizeau confirmed Doppler's 1842 theory with light. The doppler effect with sound was confirmed three years earlier.
1853
Discovery: The Sumerian Flood Story
Discovery: The Sumerian Flood Story
1858
Lived from 1858 to 1947, aged 89.
Max Planck
Max Planck
Cause no harm.
In "On Liberty," pub. 1859.
Harm Principle
Harm Principle
The Harm Principle: on left, solitary acts; on right, group acts.
1862: Ivan Turgenev novel "Fathers and Sons"
New Look
Nihilism
Nihilism
Nihilism is the idea that life lacks objective meaning, purpose, and intrinsic value.
1864
Electromagnetic Radiation Theory
Electromagnetic Radiation Theory
Born 1864.
Lived from 1864 to 1920, aged 56 years.
Max Weber (1864–1920)
Max Weber (1864–1920)
Max Weber’s work explains why authority feels legitimate, and why judgment can quietly disappear inside systems.
6 Dec 1865
13th Amendment
Ancient fetters or legcuffs on the ground close-up
Abolished slavery in the United States. Lincoln's Emancipation Proclamation nearly three years earlier and the Civil War which started nearly five years earlier paved the path forward on this issue.
7 Sep 1868
14th Amendment
25 Feb 1869
15th Amendment
Born 1879.
Lived from 1879 to 1950, aged 70
Alfred Korzybski
Alfred Korzybski
1883
Barron v. Baltimore
Live Your Authentic Self
1883, 1885: From "Thus Spoke Zarathustra"
Übermensch
Übermensch
The Übermensch, or superman, is the ideal person who transcends societal norms and self-imposed limitations.
Live in the now.
1882/3/5: Refined in "Thus Spoke Zarathustra"
Eternal Recurrence
Eternal Recurrence
New Look
Authentic Recipe: Nietzsche’s Five-step Approach
Authentic Recipe: Nietzsche’s Five-step Approach
The Nietzsche Five-step Authentic Recipe is the casting of his ideas into five steps. The journey towards an authentic self, the transformation and empowerment of your true self.
Nietzsche Mustache
Nietzsche Mustache
b. 1899
1899 to 1990, aged 90
Peter Zapffe
Peter Zapffe
1903 to 1950, aged 46.
Orwellian Thought
George Orwell
George Orwell
George Orwell wrote about how corruption starts when language is twisted, facts are manipulated, and authority demands loyalty over reality.
born 1905
1905-1980
Jean-Paul Sartre
Jean-Paul Sartre
Jun 1905
Special Relativity
Special Relativity
The experience of living.
New Look
Consciousness
Consciousness
Experiencing life through the lens of consciousness.
1905 CE
Radiometric Dating
Iodine 131(I-131)Radioactive isotopes used for hyperthyroidism treatment are stored in Lead boxes
Iodine 131(I-131)Radioactive isotopes used for hyperthyroidism treatment are stored in Lead boxes
24 Dec 1906
First Analog Radio Transmission
First Analog Radio Transmission
3 Feb 1913
16th Amendment
8 Apr 1913
17th Amendment
b. 1913
1913 to 1960, aged 46
Albert Camus
Albert Camus
Nov 1915
General Relativity
General Relativity
16 Jan 1919
18th Amendment
18 Aug 1920
19th Amendment
2 Jun 1924
Native Americans Citizenship
Confront life head on.
1927: "Being and Time"
Heidegger’s Existentialism
Heidegger’s Existentialism
Heidegger's existentialism centers on the concept of "being-there" (Dasein), which refers to the unique way humans exist and relate to the world. Heidegger explores the nature of being and emphasizes the importance of understanding one's own existence within the context of time and space. His philosophy delves into the idea of being authentic by confronting the inherent uncertainties and anxieties of life, and seeking a deeper understanding of one's place in the world through introspection and connection to nature.
1929
Galaxies Discovered! Doppler Effect used to measure distance!!
Galaxies Discovered! Doppler Effect used to measure distance!!
1931
Electron Microscope = Nanoworld Discovered!
pathogen virus background
pathogen virus background
1932
Oort Cloud
Oort Cloud
Rationally predicted, unconfirmed: The Oort Cloud is a theoretical vast sphere of icy objects believed to surround our solar system at distances ranging from about 2,000 to 100,000 astronomical units from the Sun.
Don't live in bad-faith, be authentic.
1943: "Being and Nothingness" by Sartre.
Bad Faith
Bad Faith
The concept of "bad faith," is the contrast between living a lie and embracing one's true self.
Existence precedes essence.
1943: "Being and Nothingness"
Sartre’s Existentialism
Sartre’s Existentialism
Sartre's existentialism emphasizes individual freedom, choice, and responsibility. It posits that existence precedes essence, meaning that individuals are not defined by any preexisting essence but instead create their own essence through actions and decisions. Sartre's philosophy focuses on the concept of "bad faith," where people deny their freedom by conforming to societal expectations, and encourages living authentically by embracing one's freedom and making deliberate, conscious choices.
1946 CE
Radiocarbon Dating
We all need a little CAFFEINE
We all need a little CAFFEINE
21 Mar 1947
22nd Amendment
1958
Rediscovery: City of Catalhoyuk, circa 7100 BCE
Rediscovery: City of Catalhoyuk, circa 7100 BCE
1960
Hand Axes 1.7 Million Years Ago
Hand Axes 1.7 Million Years Ago
Hand axes: Humans started using them nearly 2 million years ago. These meticulously crafted tools exemplify the advanced technological skills and cognitive capabilities of early humans. Its sophisticated design and precise craftsmanship underscore a deep understanding of material properties and tool use.
1962
All States “allow” Native Americans to Vote
silhouette of native american shaman with pikestaff
silhouette of native american shaman with pikestaff
23 Jan 1964
24th Amendment
20 May 1965
Cosmic Microwave Background (CMB)
Cosmic Microwave Background (CMB)
1975
Rediscovery of the Library of Ebla: circa 2350 BCE
Rediscovery of the Library of Ebla: circa 2350 BCE
"<a href="https://commons.wikimedia.org/w/index.php?curid=57854047" target="_blank" rel="noopener noreferrer"><div class='fn'> Proto-Cuneiform tablet: administrative account of barley distribution with cylinder seal impression of a male figure, hunting dogs, and boars. Probably from the city of Uruk.</div></a>" by null is licensed under <a href="https://creativecommons.org/publicdomain/zero/1.0/deed.en/" target="_blank" rel="noopener noreferrer">CC CC0 1.0</a>
Chapter 1 Quote Attribution Clarification
big bang, black hole, supermassive star, galaxy, cosmos, physical, science fiction wallpaper.
big bang, black hole, supermassive star, galaxy, cosmos, physical, science fiction wallpaper.
1994
Ancient Spears 350,000 Years Ago
Ancient Spears 350,000 Years Ago
2018
Discovery: Neanderthal Symbolic Thought
Discovery: Neanderthal Symbolic Thought
Neanderthal art in Spain 64k BCE, before Homo sapien arrived.
2018
Bread Making Pushed Back
Various bread with grain in a bowl on the table.
Various bread with grain in a bowl on the table.
Apr 2019
Black Holes Confirmed
Black Holes Confirmed
"<a href="https://www.flickr.com/photos/28634332@N05/52070907639" target="_blank" rel="noopener noreferrer">Sagittarius A*: NASA Telescopes Support Event Horizon Telescope in Studying Milky Way's Black Hole</a>" by <a href="https://www.flickr.com/photos/28634332@N05" target="_blank" rel="noopener noreferrer">NASA's Marshall Space Flight Center</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC 2.0</a>
Featuring Mike's mantra.
Final Word
Final Word
Holistic Eudaimonia represents our lives within our Milky Way galaxy, on a tiny blue planet. We are but a figure gazing at the universe in wonder. It is the journey of life, the Butterfly Effect, and the ripples of actions extending into the vastness of space. It includes kindness, integrity, and authenticity.
2026 (+/- 1 year)
In Progress
Space Station Closed-Loop Life Support
Space Station Closed-Loop Life Support
2028 (+/- 1 year)
In Progress
Lunar Gateway: Space Station Orbiting the Moon
Lunar Gateway: Space Station Orbiting the Moon
2028 (+/- 2 years)
In Progress
The Dawn of Quantum Supremacy
The Dawn of Quantum Supremacy
"<a href="https://www.flickr.com/photos/40748696@N07/32390815144" target="_blank" rel="noopener noreferrer">Quantum Computer Interior</a>" by <a href="https://www.flickr.com/photos/40748696@N07" target="_blank" rel="noopener noreferrer">IBM Research</a> is licensed under <a href="https://creativecommons.org/licenses/by-nd/2.0/" target="_blank" rel="noopener noreferrer">CC BY-ND 2.0</a>
2029 (+/- 2 years)
Rationally predicted based on current trends.
Peak Oil Tipping Point: A New Era in Global Energy
Peak Oil Tipping Point: A New Era in Global Energy
Imagined image of the transition from peak oil consumption to a sustainable energy future. The left side depicts heavy oil consumption, transitioning to a clean, green city dominated by renewable energy sources.
2030
Scheduled.
Europa’s Vast Ocean Unveiled: Diving Deep into an Ocean World of Jupiter
Europa’s Vast Ocean Unveiled: Diving Deep into an Ocean World of Jupiter
2030 (+/- 2 years)
Rationally predicted based on current trends.
The Rise of the Brain-Computer Interfaces (BCI)
The Rise of the Brain-Computer Interfaces (BCI)
"<a href="https://www.flickr.com/photos/36085842@N06/4306147303" target="_blank" rel="noopener noreferrer">Brain Computer Interface / g-tech medical engineering</a>" by <a href="https://www.flickr.com/photos/36085842@N06" target="_blank" rel="noopener noreferrer">Ars Electronica</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC-ND 2.0</a>
2032 (+/- 4 years)
Rationally predicted based on current trends.
Digital AI Filesystem Emerge
Digital AI Filesystem Emerge
Digital AI filesystems will seamlessly integrate into our daily lives. An AI entity will assist people and organizations in organizing digital content. The efficient and innovate technology will be one of the elements that propels humanity to the next level.
2038: In 10 Years (+/- 3 years)
Rationally predicted based on current trends.
Eradicating Diabetes: A Gene Editing Revolution
Eradicating Diabetes: A Gene Editing Revolution
Gene editing is moving from miracle to method. Single-gene diseases may be first, but each success teaches science how to tackle harder diseases like diabetes.
2039 (+/- 6 years)
Rationally predicted based on current trends.
Permanent Mars Colony
Permanent Mars Colony
2040: 15 Years From Now (+/- 5 years)
Speculative. Informed by accelerated technological trends and empirical data.
MaaS Tipping Point
MaaS Tipping Point
Imagined image: futuristic cityscape with self-driving electric vehicle (EV) taxis.
2045 (+/- 5 years)
Rationally predicted based on current trends.
Tipping Point Transition From Animal Meats
Tipping Point Transition From Animal Meats
2080: 60 Years From Now (+/- 10 years)
A Unified Origin Story
A Unified Origin Story
A unified origin story does not erase culture — it anchors it. When humanity agrees on empirical beginnings, diversity flourishes on shared ground rather than fractured myth.
2090: 65 Years From Now (+/- 30 years)
Verified. Ratonally predicted. Timeline speculative.
1:1 Human-Android Ratio by 2090
1:1 Human-Android Ratio by 2090
2100: 75 Years From Now
World Population: 10.5 Billion (+/- 1 Billion)
Concept of population with globe and toy people
Concept of population with globe and toy people
2175: 150 Years From Now (+/- 50 Years)
Speculative. Informed by accelerated technological trends and empirical data.
Kardashev Type I: Planetary Civilization
Kardashev Type I: Planetary Civilization
image depicting the "Advanced Transportation Networks" aspect of a Type I civilization. It features a variety of clean-energy transportation systems within a bustling futuristic city, including electric vehicles, magnetic levitation trains, and aerial drones, centered around a hyperloop station.
Reference Date: 2200 CE (+/- 50 years)
The Dawn of Empirical Spirituality
The Dawn of Empirical Spirituality
A future spirituality may become wiser not by giving up wonder, but by learning where science ends, where meaning begins, and how to honor both without confusing them.
2200: 175 Years From Now (+/- 50 years)
Biological Immortality
Biological Immortality
2325: 300 Years From Now
Highly speculative. Rationally deduced with supporting empirical data.
Alien Communication Expected Date
radio telescope at sunset, 3d illustration
radio telescope at sunset, 3d illustration
2450 (+/- 75 years)
Non-Surface Human Population Tipping Point
Non-Surface Human Population Tipping Point
A glimpse into humanity's diverse future habitats: This collage showcases the innovative living conditions envisioned for the mid-24th century, including a floating city on the ocean, an underwater city beneath the waves, an underground city within Earth's depths, and a floating space station orbiting the planet. These advanced environments represent the next steps in our evolution towards a non-surface human population.
3100: 1,100 Years From Now (+/- 200 years)
Speculative. Informed by accelerated technological trends and empirical data.
Post Human Evolution
beautiful woman human robot artificial intelligence
beautiful woman human robot artificial intelligence
3825: 1,800 Years From Now (+/- 200 years)
Mars Terraforming: Greening the Red Planet
Mars Terraforming: Greening the Red Planet
4025: 2,000 Years From Now (+/- 1,000 Years)
Speculative. Rationally deduced with supporting empirical data.
Kardashev Type II: Stellar Civilization
Kardashev Type II: Stellar Civilization
Image depicting the extensive human expansion throughout the solar system for a Type II civilization in the year 4025. The scene includes sprawling colonies on Mars, vast under-sea bases on Europa, and intricate mining operations on asteroids, all interconnected by sleek space transport systems like space elevators and advanced propulsion ships. The architecture blends ultra-modern design with the natural environments of various celestial bodies, illustrating a symbiotic relationship between technology and space.
10,000 Years From Now (+/- 5,000 Years)
Speculative. Rationally predicted and supported by empirical data.
Kardashev Type III: Galactic Civilization
Kardashev Type III: Galactic Civilization
Image depicting the advanced energy management systems of a Type III civilization, set about 10,000 years in the future. The scene includes colossal structures like arrays of energy harvesters encircling multiple stars, with intricate networks of energy transmitters and receivers across the galaxy. The visualization captures technologies harnessing the rotational energy of the galaxy and gravitational forces from supermassive black holes, set against the backdrop of the beautifully illuminated Milky Way.
13,000 Years From Now
Verified. Empirically supported and rationally deduced.
New North Star
New North Star
"<a href="https://www.flickr.com/photos/73303415@N00/501603747" target="_blank" rel="noopener noreferrer">1 hour North Star</a>" by <a href="https://www.flickr.com/photos/73303415@N00" target="_blank" rel="noopener noreferrer">Dennis Barnes</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC-ND 2.0</a>
Within 100,000 Years From Now
Speculative. Ratonally predicted and supported by empirical data.
Next Global Ice Age
Aerial view of a big city with building roofs covered by snow. Clip. Flying above frozen city and a
Aerial view of a big city with building roofs covered by snow. Clip. Flying above frozen city and a
1 Million Years From Now
Verified. Empirically supported and rationally deduced.
Brand New Constellations
Top view of astrologer hands
Top view of astrologer hands
250 Million Years From Now
Speculative. Ratonally predicted.
New Pangaea Proxima Supercontinent
Owen is the best GG, CC BY-SA 4.0 , via Wikimedia Commons
Owen is the best GG, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
4.5 Billion Years From Now
Verified. Ratonally predicted.
Milky Way-Andromeda Collision
Milky Way-Andromeda Collision
"<a href="https://www.flickr.com/photos/24354425@N03/45852509602" target="_blank" rel="noopener noreferrer">Colliding Galaxies, variant</a>" by <a href="https://www.flickr.com/photos/24354425@N03" target="_blank" rel="noopener noreferrer">sjrankin</a> is licensed under <a href="https://creativecommons.org/licenses/by-nc/2.0/" target="_blank" rel="noopener noreferrer">CC BY-NC 2.0</a>
5 Billion Years in the Future
Verified. Ratonally predicted.
Death of the Sun
Death of the Sun
"<a href="https://www.flickr.com/photos/37413900@N04/13297090724" target="_blank" rel="noopener noreferrer">Red Giant Star</a>" by <a href="https://www.flickr.com/photos/37413900@N04" target="_blank" rel="noopener noreferrer">Maxwell Hamilton</a> is licensed under <a href="https://creativecommons.org/licenses/by/2.0/" target="_blank" rel="noopener noreferrer">CC BY 2.0</a>
7 Billion Years From Now
Verified. Ratonally predicted.
Formation of a New Solar System
star, sun, white dwarf
Photo by <a href="https://pixabay.com/users/WikiImages-1897/?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">WikiImages</a> on <a href="https://pixabay.com" target="_blank" rel="noopener noreferrer">Pixabay</a>
50 Billion Years From Now
Speculative. Ratonally predicted.
Degradation of Earth’s Orbit
Degradation of Earth’s Orbit
1 to 37 Quadrillion Years From Now
Highly speculative. Rationally deduced.
Black Dwarf Sun
Black Dwarf Sun
Brown dwarfs (also called failed stars) are substellar objects that are not massive enough to sustain nuclear fusion of ordinary hydrogen into helium in their cores, unlike a main-sequence star. Instead, they have a mass between the most massive gas giant planets and the least massive stars, approximately 13 to 80 times that of Jupiter. However, they can fuse deuterium and the most massive ones (> 65 MJ) can fuse lithium. Astronomers classify self-luminous objects by spectral class, a distinction intimately tied to the surface temperature, and brown dwarfs occupy types M, L, T, and Y. As brown dwarfs do not undergo stable hydrogen fusion, they cool down over time, progressively passing through later spectral types as they age. Despite their name, to the naked eye, brown dwarfs would appear in different colors depending on their temperature. The warmest ones are possibly orange or red, while cooler brown dwarfs would likely appear magenta or black to the human eye. Brown dwarfs may be fully convective, with no layers or chemical differentiation by depth. As brown dwarfs have relatively low surface temperatures, they are not very bright at visible wavelengths, emitting most of their light in the infrared. However, with the advent of more capable infrared detecting devices, thousands of brown dwarfs have been identified. The nearest known brown dwarfs are located in the Luhman 16 system, a binary of L- and T-type brown dwarfs about 6.5 light-years from the Sun. Luhman 16 is the third closest system to the Sun after Alpha Centauri and Barnard's Star. Image created by Pablo Carlos Budassi in 2023 (pablocarlosbudassi.com)
1+ Googol Years From Now
Highly speculative. Rationally deduced.
Lambda Model: Heat Death of the Universe
Lambda Model: Heat Death of the Universe
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