The Human LineLife & Evolution Homo erectus 1.9 million years agoTurning point A tall, long-legged, larger-brained species built for walking and running, the first to leave Africa. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Complex cells (eukaryotes) → Multicellular life → First animals → Cambrian Explosion → First vertebrates → Jawed fish → Fish walk onto land → The amniotic egg → The Great Dying → Dinosaurs appear → Asteroid ends the dinosaurs → Early primates → Apes split from monkeys → Human line splits from chimpanzees → Walking upright → First stone tools → Genus Homo appears → Homo erectus Community notesLoading notes… Learn more ranked by votesDocumenthumanorigins.si.eduHomo erectus (Smithsonian Human Origins) ↗Editor's pickBookAlan Walker and Pat ShipmanThe Wisdom of the Bones ↗Editor's pickVideoSearch on YouTubeHomo erectus explained ↗Editor's pick