US Joining the World War I

By Tomlimai124

  • 1914

    1914 - World War I breaks out, but the United States remains neutral.
  • Period: to

    US Joining the World War I

  • 1915

    German U-boats attack the Lusitania, killing 128 American citizens.

  • 1916

    President Woodrow Wilson was re-elected and continued his policy of neutrality.

  • 1917

    Germany sent a secret telegram to Mexico in an attempt to encourage Mexico to join the war against the United States.

  • 1917

    The United States Congress officially entered World War I by declaring war on Germany.

  • 1918

    World War I ended with an armistice signed by the United States and other Allies to end the war.