World War 1

  • Ferdinand was assassanated

    Ferdinand was assassanated

    Francis Ferdidnand was assassinated on the Serbian holiday, known as St. Vitus Day. Because Ferdidnand was the heir to the throne of Austria-Hungary, his assassination was the the spark that set off World War 1.
  • Austria Gives an Ultimatum

    Austria Gives an Ultimatum

    Austria demands that Serbia ends all anti-Austrian activities, and let Austria handle the murder investigations; with only 48 hours to meet these terms.
  • Austria Declares War on Serbia

    Austria Declares War on Serbia

  • Germany Declares War on Russia

    Germany Declares War on Russia

  • Russian Retreat

    Russian Retreat

  • Lusitania Sinks

    Lusitania Sinks

    Germany launches a torpedo attack on a British ocean liner. 120 Americans were killed when the ship sunk.
  • The Sussex Pledge

    The Sussex Pledge

    Germany sinks another ship, the Sussex. The U.S. threatens to declare war if another ship is sunk.
  • Zimmerman Note

    Zimmerman Note

    The Zimmerman Not was a secret telegram proposing a German-Mexican alliance in case of a war between Germany and America.
  • US Enters WW1

    US Enters WW1

  • Treaty of Brest-Litovsk

    Treaty of Brest-Litovsk

    Russia lost Finland, Poland, Latvia, Lithuania, and Estonia.