1900-1920

  • The Gold Standard

    Most of the world had set its currency to gold, this connected almost the entire world
  • Theodore Roosevelt

    Theodore Roosevelt becomes president of the United States
  • The Sixteenth Amendment

    The Sixteenth Amendment was ratified which authorized income tax.
  • WWI begins

    WWI begins
  • The Lusitania

    The Lusitania ship is sunk by Germany. This was a US ship and it is one of the main reasons the US joined the war,
  • The US enters the war

    The United States finally makes the decision to join the war.
  • WWI ends

    WWI ends. This is the end of the first war between the entire world.
  • Treaty of Versailles

    The treaty signed in France that officially ends WWI
  • Nineteenth Amendment

    Woman are allowed to vote after the nineteenth amendment is ratified.