Bronze and Iron AgesTechnology Glassmaking c. 2,500 BCEMajor Mesopotamian craftsmen make glass beads; glass later leads to lenses, windows and eyeglasses. ▲ 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 → Glassmaking Community notesLoading notes… Learn more ranked by votesDocumentbritannica.comGlassware, history from antiquity (Britannica) ↗Editor's pickBookAlan Macfarlane and Gerry MartinGlass: A World History ↗Editor's pickVideoSearch on YouTubeorigins of glassmaking ancient Mesopotamia ↗Editor's pick