Index

WWI Timeline

  • June 28

    June 28
    Archduke Franz Ferdinand is assassinated.
  • July 28

    Austria-Hungary declares war on Serbia.
  • August 1

    Germany declares war on Russia.
  • August 3

    Germany declares war on France.
  • August 4

    The United Kingdom declares war on Germany.
  • August 6

    Austria-Hungary declares war on Russia, and Serbia declares war on Germany.
  • August 19

    U.S. President Woodrow Wilson declares the U.S. will remain neutral.
  • May 7

    The British RMS Lusitania is sunk by Germany.
  • 1916

    The Battle Of Somme begins.
  • 1917

    Germany attempts to persuade Mexico to join the war. The British decode the message.
  • 1917

    U.S. joins the war.
  • 1918

    U.S. President Woodrow Wilson issues the Fourteen Points.
  • 1918

    Germany signs the armistice, which stops the fighting.
  • 1919

    The Treaty of Versailles officially ends the war.