World War I timeline

  • Assassination of Franz Ferdinand

    Assassination of Franz Ferdinand
    Franz Ferdinand was assassinated by a young teen during a parade.
  • Great War begins

    Great War begins
    World War I begins
  • Kaiser declares “open season” on ships

    Germany declared war on British Isles
  • Lusitania sank

    Germany waged submarine warfare against the United Kingdom of Great Britain and Ireland and the British Royal Navy blockaded Germany
  • Period: to

    Battle of the Somme

    battle of the First World War fought by the armies of the British and French empires against the German Empire
  • Wilson re-elected

    President Woodrow Wilson was re-elected as the US president
  • Zimmerman note intercepted

    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 President Woodrow Wilson declared war on Germany
  • Selective Service Act

    Selective Service Act
    authorized the federal government to raise a national army for the American entry into World War I through the compulsory enlistment of people
  • Selective Service Act

    Selective Service Act
    authorized the federal government to raise a national army for the American entry into World War I through the compulsory enlistment of people
  • Convoy system

    a group of merchant vessels sailing together, with or without naval escort, for mutual security and protection
  • Espionage Age Passed

    Espionage Age Passed
    It's a Federal Law that got passed but it's been amended numerous times.
  • Russia Pulls Out of WWI

    Russia Pulls Out of WWI
    Russia left WWI because its government was overthrown.
  • Period: to

    Flu Epidemic

    an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus
  • Fourteen Points speech

    Fourteen Points speech
    President Wilson gave a speech that went over 14 points of WWI.
  • Sedition Act passed

    was an Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light
  • Germany signs armistice

    Germany signs armistice
    Ended fighting on the Western Front