History

The historical milestones in 30 Philosophers.

Printing Press Invented

The story of the printing press is the story of cultural transmission. Invented in 1440 in Germany by Johannes Gutenberg, it revolutionized book production by introducing movable type. It replaced hand-copying, prone to errors, with movable metal type, allowing mass production of books for the first time in human history. Over the next few centuries, […]

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The Birth of Logic

In the vibrant intellectual climate of Ancient Greece, the 6th century BCE marks the embryonic stage of formal logic, attributed to the philosopher Thales of Miletus (around 624-546 BCE). Thales, recognized as the first of the Seven Sages of Greece, embarked on a quest that laid the foundational stones of logical thought. He shifted the

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Realistic Earth Planet against the the star sky

Spherical Earth

The Greeks knew the Earth is spherical. For example, Pythagoras (570-495 BCE), Aristotle (384-322 BCE), and Euclid (circa 450 BCE) wrote about the Earth as a sphere. Eratosthenes (276-194 BCE) even calculated the circumference of the Earth to within 1%. He also wrote about the idea that India could be reached by sailing westward from

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Cuneiform Writing

Earliest known writing in Africa/Middle East zone. Human DNA today is the same as 50,000 BCE. There is no doubt there were many dozens and perhaps thousands of civilizations prior to the Sumer civilization, but Sumer is the earliest known, or at least the earliest well known. The Sumer civilization first established between 6500 and

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