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History of Life

  • 4.5 BYA

    4.5 BYA
    FORMATION OF THE SOLAR SYSTEM AND THE MOON
  • 4.0 BYA

    4.0 BYA
    LATE HEAVY BOMBARDMENT AND FORMATION OF THE EARTH'S CRUST AND OCEANS
  • 3.5 BYA

    3.5 BYA
    OLDEST GEOLOGICAL EVIDENCE OF LIFE
  • 3.0 BYA - 2.5 BYA

    3.0 BYA - 2.5 BYA
    PROLIFERATION OF CYANOBACTERIA
  • 2.0 BYA

    2.0 BYA
    EVOLUTION OF EUKARYOTES
  • 1.2 BYA

    1.2 BYA
    EVOLUTION OF MULTICELLULAR ORGANISMS
  • 0.5 BYA

    0.5 BYA
    CAMBRIAN EXPLOSION
  • 230 MYA - 65 MYA

    230 MYA - 65 MYA
    REIGN OF THE DINOSAURS
  • 2000 TYA

    2000 TYA
    APPEARANCE OF MODERN HUMANS