Bronze and Iron AgesEconomy & Trade Tin trade networks c. 2,500 BCENotable Tin from Afghanistan, Cornwall and elsewhere moves across continents to make bronze. ▲ 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 → Tin trade networks Community notesLoading notes… Learn more ranked by votesBookKristian Kristiansen and Thomas B. LarssonThe Rise of Bronze Age Society ↗Editor's pickVideoSearch on YouTubeBronze Age tin trade routes ↗Editor's pick