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U.S. History 1900-1920 Timeline

  • Theodore Roosevelt

    Theodore Roosevelt
    Theodore Roosevelt became the 26th President of the United States.
  • McKinley Assassinated

    McKinley Assassinated
    President William McKinley is assassinated by the anarchist, Leon Czolgosz, which caused Theodore Roosevelt to become president.
  • Navy in Panama

    Theodore Roosevelt sent naval units to ensure Panama's independence from Colombia. Doing this made sure that that a canal could be built in Panama later.
  • J. P. Morgan

    J. P. Morgan
    J. P. Morgan forms United States Steel from the merger of eight other companies, creating the largest steel corporation in America
  • The Socialist Party

    The Socialist Party of America was formed by Eugene Debs.
  • The Women's Trade Union League

    The Women's Trade Union League was formed to campaign for better working and voting rights for women across America.
  • Hepburn Act

    Theodore Roosevelt passed the Hepburn Act, which allowed the Interstate Commerce Commission to regulate the rates and practices of the railroads.
  • William Taft

    William Taft
    William Taft became the 27th President of the United States.
  • The Triangle Shirtwaist Fire

    The Triangle Shirtwaist factory caught on fire, killing 146 workers.This tragedy helped to start reforms in factory work.
  • Woodrow Wilson

    Woodrow Wilson
    Woodrow Wilson became the 28th President of the United States
  • The Lusitania

    The Lusitania
    The Lusitania, was sunk by German submarines. This attack made Americans angry, which in turn caused America to join the war
  • Booker T. Washington dies

     Booker T. Washington dies
    Black-Rights activist, Booker T. Washington dies.
  • Unrestricted Submarines

    Germany resumed unrestricted submarine warfare to prevent supplies reaching Allied armies. This became one of the major influencing factors for America entering of the War.
  • U.S. Declares War on Germany

    The United States declares war on Germany, entering World War I.
  • The Treaty of Versailles

    The Central and Allied powers signed the Treaty of Versailles, ending the First World War.
  • The 19th Amendment

    The 19th Amendment was passed, giving women the right to vote in elections.