Given the clues that Alex mentioned I would say the answer is when Homo Sapiens evolved from Apes in Africa.
They then walked into Europe/Asia and mixed with the Neanderthals giving us the modern day Humans (all of us have a small percentage of Neanderthal DNA in our bodies).
Unless Alex means, we go back further in time when fish started to crawl onto land and all animals then evolved from fish.
EDIT: Just thought of another possible answer - when the comet striking the earth killed off the dinosaurs and other mega fauna, allowing smaller species to evolve.
Last edited by billdan; 11-08-2021 at 05:08 AM.
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