I'm not an academic in ancient history but has a thirst to understand the
time scales of existence of sentient humans and the age of human
civilisation. What bids do we have to how far back we can stretch human
existence? Can we support perhaps 100,000 years?
I'd be interested in the thoughts from the list to support or refute such a
timescale; indeed do any bids exceed 100,000 years of conscious mankind?
Best wishes
Adrian
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