- 600,000 Years Ago: Homo Sapiens Emerged: The early ancestors of the human species evolved from apes somewhere in what is now Africa
- 170,000 Years Ago: Supernova 1987A Exploded: A star, in what is now known as the Large Magellanic Cloud, exploded. It was a blue supergiant 25 times more massive than the Sun.
- 8000BC: The Maya make astronomical constructions
- 4000BC: Egyptians institute the 365 day calendar
This timeline is a work in progress.
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