page 21 of 443 of Sapiens: A Brief History of Humankind

After 80,000 years of nothing, we get a period between 70,000 years ago and 45,000 years ago where we wiped out the Neandethals, crossed the oceans to Australia, and settled Europe and east Asia. We invented boats, oil lamps, bows and arrows, and needles in just 25,000 years wheras previously we didn’t do anything.