2.5 million years ago

1.8 million years ago

1 million years ago

500,000 years ago

350,000-150,000 years ago – An archaic human, probably Homo heidelbergensis, died and left behind a skull in Petrolona, Greece, now known as the Petrolona Skull (Episode 2)

– Some group of archaic humans left behind Achulean-like stone tools on Crete (Episode 2)