World War I

  • 1918 BCE

    German forces launch 'Spring Offensive'

    Trying to launch a final, decisive offensive on the Western front
  • Outbreak of Sarajevo

    Triggered the outbreak of World War I.
  • German submarines have sunk the British liner Lusitania

    About 1,200 passengers and crew were killed, including 128 Americans.
  • The United States quickly mobilized its military

    Began sending large numbers of soldiers and military equipment to Europe.
  • President Wilson addressed Congress.

    Calls for a declaration of war against Germany.
  • The United States participated in the Battle of the Somme

    It was one of the largest American battles of World War I
  • The United States Navy participated in the Battle of Metz-Aldens

    Repelled the attack of the German army.
  • Germany signed an armistice

    Ended World War I.