Carter Three Eras Timeline

By CarterVEVO
  • 20,000 BCE

    Atlatl invented allowing humans to throw spears far longer, improving hunting capabilities

    Atlatl invented allowing humans to throw spears far longer, improving hunting capabilities
  • 10,000 BCE

    Agriculture invented in the Persian Gulf

    Agriculture invented in the Persian Gulf
  • 4000 BCE

    Egypt develops first irrigation and canal networks

    Egypt develops first irrigation and canal networks
  • 3000 BCE

    First metal farming tools developed

    First metal farming tools developed

  • James Watt invents the steam engine

    James Watt invents the steam engine
    https://www.britannica.com/technology/Watt-steam-engine

  • Elias Howe invents the sewing machine allowing for mass production of clothing.

    Elias Howe invents the sewing machine allowing for mass production of clothing.

  • United States builds the first transcontinental railroad

    United States builds the first transcontinental railroad