World War I

  • Austria Hungary declares war on Serbia

  • Germany declares war on Russia

    Germany declares war on Russia
  • Germany declares war on France

  • U.S. President Woodrow Wilson announces the U.S. will remain neutral.

  • The Battle of Tannenberg begins

  • Battle of Ypres begins.

  • The United Kingdom announces that the North Sea is a military area, effectively creating a blockade of goods into Germany.

  • Germany declares a "war zone" around Great Britain

  • The Second Battle of Ypres begins

  • The Battle of Gallipoli begins.

  • Russian Tsar Nicholas II abdicates.

  • The United States declares war on Germany.

  • The Battle of Passchendaele (also known as the Third Battle of Ypres) begins.

  • The Bolsheviks successfully overthrow the Russian government

  • U.S. President Woodrow Wilson issues his Fourteen Points to peace.

  • Germany launches the Spring Offensive.

  • The Second Battle of the Marne begins.

  • German Kaiser Wilhelm II abdicates and flees Germany.

  • Germany signs the armistice at Compiegne, France.

  • The Treaty of Versailles officially ends WWI.