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Master Timeline

Proto-Inca People

The Proto-Inca people likely lived in the Andean region of Peru as far back as 4500 BCE. It’s reasonable to assume they were hunter-gatherers, adapted to the challenging mountain environment. They may have had a nomadic lifestyle, following the seasonal migration of animals and plants. The Proto-Inca people likely developed early forms of textiles, ceramics,

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Inca Society Emerges

The Inca civilization only lasted a few centuries from about 1200 CE. In that short period it became the largest empire in pre-Columbian America. It emerged in the Andean region of present-day Peru. The early Incas established the city of Cusco as their capital. They expanded rapidly, by the 15th century they developed an extensive

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Proto-Maya People

The Proto-Maya people likely inhabited the Yucatan region of Mexico, Guatemala, Belize, and Honduras around 3500 BCE. It’s reasonable to assume they were also hunter-gatherers, taking advantage of the area’s diverse wildlife and plant resources. They may have had a more settled lifestyle, with early evidence of ceramics and permanent settlements. The Proto-Maya people likely

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Mayans Emerge

The Mayan civilization lasted nearly 3 millennia. It began to take shape in the Yucatan region of Mexico, Guatemala, Belize, and Honduras around 2000 BCE, with evidence of early agricultural communities. However, prior to embracing farming, this community was in the area for at least a few centuries. By 250 CE, they had established major

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Proto-Olmec People

It’s reasonable to assume that the Proto-Olmec people lived in the region of modern-day Mexico as far back as 4000 BCE. Likely, they were hunter-gatherers, exploiting the abundant resources of the tropical forests and coastal areas. They may have had a nomadic or semi-nomadic lifestyle, following game and seasonal food sources. It’s possible that they

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Olmec Society Emerges

The Olmec civilization, often considered the “mother culture” of Mesoamerica, formally emerged around 1600 BCE based on when they embraced farming. They primarily emerged in the tropical lowlands of present-day southern Mexico. Known for their colossal stone heads and sophisticated art, the Olmecs developed early forms of writing and urban organization. Their major centers, such

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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.

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Czeck: Dolní Věstonice Community

The Dolní Věstonice people thrived in a harsh Ice Age landscape. They built sturdy huts from mammoth bones, crafted intricate art, and developed symbolic expression. They honored their dead with elaborate burials and likely held spiritual beliefs. With early ceramics and resourceful hunting practices, they demonstrated remarkable adaptability and creativity, leaving behind a lasting legacy

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Ukraine: Mezhyrich Community

The Mezhyrich community thrived in Ukraine, living in huts built from mammoth bones. These resourceful people used mammoth skulls, tusks, and bones to construct shelters covered with animal skins. They engaged in daily activities such as cooking, tool-making, and socializing, showcasing a harmonious, bustling life. The nearby rivers provided resources and sustenance, while their sophisticated

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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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blood, cells, red

Blood Emerges

The movement of fluids, or circulation, evolved around 3.5 billion years ago in single-celled organisms to distribute nutrients and remove waste. Blood, a specialized fluid carrying nutrients and waste, evolved much later, around 1.2 billion years ago in multicellular organisms. It evolved to feed internal cells and carry away waste. As oxygen levels rose and

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Animal Vocabulary: Thousands of Words (The Great Apes)

Since before the orangutan branched about 12 million years ago, all the great ape species had a vocabulary—signals, gestures, grunts, and screams—in various contexts, potentially ranging into the thousands. These early apes communicated with not only a wide variety of sounds and gestures but also different levels or gradations of these signals. For instance, one

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Chuang Tzu (369-286 BCE)

105 Generations Ago Chuang Tzu, or in modern pinyin, “Zhuangzi,” is a cornerstone of Daoist philosophy. His collection of essays and stories delves into themes of spontaneity, relativity, and the natural order. The famous Butterfly Dream, which questions the boundaries between dreaming and waking states, epitomizes his exploration of transformation and reality. Chuang Tzu championed

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