World War I

  • Forming of Triple Alliance

  • Military alliance between France and Russia formed

  • Japan became an ally of Britain

  • Forming of Triple Entente

  • Assassination of Francis Ferdinand

  • Austria-Hungary declares war on Serbia

  • Full mobilization of Russian troops

  • Germany declares war on Russia

  • Germany declares war on France

  • World War I begins

  • Defense of the Realm Act

  • Battle of the Marne

  • Battle of Gallipoli

  • Sinking of the Lusitania

  • Battle of Verdun

  • Battle of Jutland

  • Battle of the Somme

  • Interception of the Zimmerman Note

  • Germany resumes unrestricted submarine warfare

  • The March Revolution

  • Nicholas II abdicates his throne

  • The US enter the war

  • The Bolsheviks seize power

  • The Influenza Epidemic

  • Treaty of Brest-Litovsk

  • German republic created

  • German republic signs armistice

  • Paris Peace Conference

  • The League of Nations is accepted

  • Treaty of Versailles