History of Earth in a Year

Timeline created by mariamrtnz13
  • Earth is spat out from a star (The Sun)

    Earth is spat out from a star (The Sun)
    The extreme conditions on the young, hot planet forbade the development of life for the first few months of its existence
  • Single Celled organisms dev. in cooling seas

    Single Celled organisms  dev. in cooling seas
    Meanwhile, a protective atmosphere that includes a layer of ozone is forming, allowing the the first bacteria and blue algae to evolve and shielding the planet from searing solar radiation
  • Multi-Celled organisms developed

    Multi-Celled organisms developed
  • Complex Organisms Develop

    Complex Organisms Develop
    Life on the planet was still moving, one might say, at a snail’s pace, only in December, more than eleven months into our year, do we find reptiles crawling about.
  • First, plants, insects and spider appear

  • Reptiles Begin to Crawl Out

    Reptiles Begin to Crawl Out
  • Age of Dinosaurs

    Age of Dinosaurs
    Reptiles grow tremendously and the Age of the Dinosaurs begins
  • Pangaea breaks apart

    Pangaea breaks apart
    Meanwhile, the planet’s continents have been forming, drifting apart, and reforming. The last supercontinent to congeal, Pangaea, begins to break apart to form our current seven continents at the end of the second week of December.
  • Early Birds and Mammals Appear

    Early Birds and Mammals Appear
  • Extinction of Dinosaurs

    Extinction of Dinosaurs
    Mammals now grow in size and diversity.
  • 1AM: Australopithecus afarenis begins to walk upright

    1AM: Australopithecus afarenis begins to walk upright
    One particular mammal, the first hominid, known as Australopithecus afarensis, begins to walk upright
  • 9PM:Ancestors Control Fire

    9PM:Ancestors Control Fire
    With an hour to spare before the year expires, our stone age ancestors learn to control fire
  • 11:52PM: Homo Sapiens Arrive

    11:52PM: Homo Sapiens Arrive
    Eight minutes before midnight, Homo sapiens, the contemporary human race, arrives on the scene
  • 11:59PM: Domestication of Plants and Animals

    11:59PM: Domestication of Plants and Animals
  • 11:59:56PM: Modern Globalization,

    11:59:56PM: Modern Globalization,
    Christopher Columbus initiates the process of modern globalization at 4 seconds before midnight.
    At this point there are about 500 million homo sapiens occupying the planet. Before the end of the day, that number will increase 14-fold.
  • 11:59:59PM: Industrial Revolution

    11:59:59PM: Industrial Revolution
    The Industrial Revolution Sets the world on a rapid transformation
  • Period: to

    History of Earth In a Year