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November 1, 2025
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Eocene Period (jan 1, 5400000 BC – jan 1, 3800000 BC)

Description:

Ice caps begin to develop as Antarctica goes further south, and birds evolve into penguins. The TransAntarctic mountains form.

Added to timeline:

Date:

jan 1, 5400000 BC
jan 1, 3800000 BC
~ 1601063 years