World War 1

  • Assassination of Franz Ferdinand

    Assassination of Franz Ferdinand

    Serbian nationalist gunned down him and his wife
  • Great War begins

    Great War begins

    The war began
  • Kaiser declares “open season” on ships

    Kaiser declares “open season” on ships

    Attacks on merchant ships
  • Lusitania sank

    Lusitania sank

    A Germany U-Boat sank
  • Battle of the Somme

    Battle of the Somme

    Largest battle on the western front
  • Wilson re-elected

    Wilson re-elected

    Wilson is re-elected as the US president
  • Zimmerman note intercepted

    Zimmerman note intercepted

    In the telegram, intercepted and deciphered by British intelligence in January 1917, Zimmermann instructed the ambassador, Count Johann von Bernstorff, to offer significant financial aid to Mexico if it agreed to enter any future U.S-German conflict as a German ally.
  • US declares war on Germany

    US declares war on Germany

    Us finally enters the war
  • Selective Service Act

    Selective Service Act

    Raise a national army for the American entry into WW1
  • Convoy system

    Convoy system

    The convoy system, which can be defined as a group of merchant vessels sailing together, with or without naval escort, for mutual security and protection, has a much longer history than sometimes suggested.
  • Espionage Age passed

    Espionage Age passed

    Federal law
  • Russia pulls out of the war

    Russia pulls out of the war

    Group of Communists led by Vladimir overthrew the government
  • Flu Epidemic

    Flu Epidemic

    It spread through Europe
  • Fourteen Points speech

    Fourteen Points speech

    Woodrow Wilsons famous speech
  • Sedition Act passed

    Sedition Act passed

    Extends the Espionage Act
  • Germany signs armistice

    Germany signs armistice

    End of the war