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Cognitive Revolution

This revolution symbolizes the beginnings of human history. This was the point in human development at which a particular skill unique to them allowed Sapiens to far surpass the thinking abilities of other human species and to later rise to the top of Earth’s food chain. This revolution occurred between 70,000 and 300,000 years ago and is considered by the author to be the beginning of history.

Agricultural Revolution

This revolution symbolizes the myth of a constantly-improving human society. This was the point in history approximately 10,000 years ago during which Sapiens domesticated plants and animals on a large scale, allowing them to cultivate their own food source, rather than relying on hunting and gathering. This allowed the species to live in large, fixed settlements and to rapidly expand its population, but lowered the quality of life for individual humans.

Scientific Revolution

This revolution symbolizes human ingenuity and...

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