World War 1 Timeline

  • Assassination of Franz Ferdinand

    Assassination of Franz Ferdinand
    Gavrilo Princip shot the Archduke of Austria and his wife Sophie during an official visit in Sarajevo.
  • Great War Begins

    Great War Begins
    Also called World War 1, caused by the assassination of Franz Ferdinand
  • Kaiser declares "open season" on ships

    Kaiser declares "open season" on ships
    Germany proclaimed that the North Sea would be a war zone, which meant if a ship entered the territory, the submarines would sink it.
  • Lusitania Sank

    Lusitania Sank
    One of the German submarines sunk the Lusitania which was a British ship. The ship had 1,900 passengers on board and more than 1,100 perished, including 120 Americans.
  • Battle of the Somme

    Battle of the Somme
    The Battle of Somme is one of the bloodiest military battles in history. It was fought by Great Britian and France against Germany.
  • Wilson Re-Elected

    Wilson Re-Elected
    Wilson won against Charles Evans Hughes in the 1916 election.
  • Zimmerman Note Intercepted

    Zimmerman Note Intercepted
    A note sent from Germany to Mexico suggesting a Mexico-Germany alliance was intercepted by America and is the main reason for the United States entering WW1.
  • US Declares War on Germany

    US Declares War on Germany
    The US declared war on Germany because of their use of unrestricted submarines warfare and becauase of the Zimmerman Note
  • Selective Service Act

    Selective Service Act
    The Selective Service Act was authorized by the federal government to raise a national army for the American entry into WW1.
  • Convoy System

    Convoy System
    During WW1, since the Germans would use u-boats to destroy any ship in their territory, ships started traveling together for protection and securtiy.
  • Espionage Act Passed

    Espionage Act Passed
    The Espionage Act essentially made it a crime for any person to convey information intended to interfere with the U.S. armed forces prosecution of the war effort or to promote the success of the country’s enemies.
  • Russia Pulls out of War

    Russia Pulls out of War
    Bolsheviks overthrew the government and they withdrew from the war.
  • Fourteen Points Speech

    Fourteen Points Speech
    Statement of principles for world peace that was to be used for peace negotiations to end World War 1
  • Flu Epidemic

    Flu Epidemic
    An unusally deadly influenza epidemic effected Europe, the US, and parts of Asia before spreading around the world. The estimated number of people infected was 500 million people.
  • Sedition Act Passed

    Sedition Act Passed
    This extended the Espionage Act, which added that you could not insult the government, the flag, the military, or anything anti-war. You would be faced with a fine of $10,000 and 20 years in prison if you did.
  • Germany Signs Armistice

    Germany Signs Armistice
    Whenever Germany signed this, it meant there was an agreement to not have any more fighting on the Western Front.