Middle AgesGovernment & Law Gupta Empire collapses c. 550 CENotable Invasions by the Alchon Huns and breakaway regional dynasties break Gupta power by the mid 500s. Northern India splits into rival kingdoms. ▲ 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 → Habitual fire and cooking → Homo sapiens appears → Complex language → Natufian villages → Oldest known bread → Agriculture begins → Irrigation → Uruk and the first cities → Cylinder seals → Writing (cuneiform) → Babylonian mathematics → Babylonian astronomical diaries → Thales and natural philosophy → Trial and death of Socrates → Plato's Academy → Aristotle's Lyceum → Alexander's conquests → Maurya Empire → Gupta Empire → Chandragupta II → Gupta Empire collapses Community notesLoading notes… Learn more ranked by votesBookRomila ThaparEarly India: From the Origins to AD 1300 ↗Editor's pickVideoSearch on YouTubedecline of the Gupta Empire ↗Editor's pickVideoSearch on YouTubeAlchon Huns invasion of India ↗Editor's pick