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August 1, 2025
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~Cenozoic Era ~Tertiary Period ~Paleocene Epoch (jan 1, 6640000 BC – jan 1, 5780000 BC)

Description:

Geological: Continents start to looking a lot like they do today
Biological: Mammals become the dominating life forms

Added to timeline:

Date:

jan 1, 6640000 BC
jan 1, 5780000 BC
~ 860571 years