The Classical WorldGovernment & Law Spring and Autumn period 770 BCENotable Zhou power fragments into rival states, a turbulent era that produces Confucius and Laozi. ▲ 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 → Control of fire → First fired clay figures → First pottery → Copper smelting → Bronze Age begins → Shang dynasty → Zhou dynasty and the Mandate of Heaven → Spring and Autumn period Community notesLoading notes… Learn more ranked by votesBookMichael Loewe and Edward L. Shaughnessy (eds.)The Cambridge History of Ancient China ↗Editor's pickVideoSearch on YouTubeSpring and Autumn period China ↗Editor's pick