HISTORY OF THE WORLD

Last: Post-War America Back to Main Index PREHISTORY: -15bn to -1000 Combined chronological listing covering this period Ancient Middle East

-13,700,000,000 Beginning of the universe: "Big Bang"
-4,600,000,000 Age of Sun and Earth
-3,800,000,000 Earliest single-celled life appears on Earth
-1,000,000,000 First multi-cellular plants (algae) appear
-540,000,000 Start of Cambrian Period, life proliferates in the sea
-450,000,000 Vegetation colonizes land, and Arthropods first land animals
-350,000,000 Formation of Pangaea supercontinent
-300,000,000 First amphibians and reptiles
-230,000,000 First dinosaurs and early mammals appear
-200,000,000 Continents begin to split into present configuration
-150,000,000 Archaeopteryx earliest known bird
-70,000,000 First primates and other modern mammals appear
-65,000,000 Dinosaurs die out
-15,000,000 Great apes speciate from other apes and monkeys
-4,000,000 Bipedal ape-like hominids first appear in Africa
-2,500,000 Australipithecus and Homo Habilis start to make tools
-1,500,000 Homo Erectus and Homo Ergaster control fire
-200,000 Homo Neanderthalensis and Homo Sapiens appear
-40,000 "Great Leap Forward" in human cognitive development
-25,000 Cro-Magnon Man reaches Europe - earliest Paleolithic art
-25,000 Neanderthals die out and Homo Sapiens dominates
-15,000 First Asian migrants cross Bering Straits to North America
-11,000 End of last "ice age" and start of current interglacial period
-8,000 Extinction of mastodons and other megafauna
-6,000 New Stone Age (Neolithic) in Europe - settled agriculture
-3,000 Bronze Age in Europe
-1,800 Main circle built at Stonehenge, Britain
-1,000 Iron Age in Europe

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