WWI Outbreak Events

  • Archduke Francis Ferdinand Assassinated

    Archduke Francis Ferdinand Assassinated
    He was visiting the Bosnia capital of Sarajevo when he and his wife were shot to death by a Bosnia Serb Nationalist. These killings ultimately led to the outbreak of WWI.
  • Austria-Hungary Declares War on Serbia

    Austria-Hungary Declares War on Serbia
    Austria-Hungary declared war on Serbia one month after Archduke Franz Ferdinand and his wife were killed. Germany gave their full support to Austria-Hungary for the war.
  • Germany Declares War on Russia

    Germany Declares War on Russia
    Germany declared war on Serbia four days after Austria-Hungary declared war on Serbia. The people of Germany were filled with joy when they entered the war because they thought they were going to easily win.
  • Germany Declares War on France

    Germany Declares War on France
    They declared war on France two days after declaring war on Russia. Germany almost declared war on Belgium as well when they denied allowing the German troops to pass through. They were given an ultimatum to either be attacked or let them through.
  • Germany Invades Belgium

    Germany Invades Belgium
    Belgium had made a statement that if the war came, they would uphold its historic neutrality. Germany gave them an ultimatum that they either let their military pass through or they will declare war. Belgium declined passage and Britain assured they would have military support. Germany declares war on Begium two days later.
  • German U-Boats Sink The Lusitania

    German U-Boats Sink The Lusitania
    The captain of the Lusitania was warned about German U-Boats sinking merchant ships and was warned to sail in zigzag motions to confuse the U-Boats. He ignored their advice and was hit by an exploding torpedo unexpectedly. The torpedo hit the boiler room and caused a second explosion which lead to the boat sinking in less than 20 minutes.
  • The Zimmerman Note is Discovered

    The Zimmerman Note is Discovered
    The Zimmerman note was decoded by British code breakers. The note was a list of instructions for the German Ambassador to Mexico.
  • Germany Announces Unrestricted Submarine Warfare

    Germany Announces Unrestricted Submarine Warfare
    First introduced in WWI by the Germans. Germany thought that the idea of unrestricted submarine warfare could win them the war.
  • United States Declares War on Germany

    United States Declares War on Germany
    President Woodrow Wilson is the president who asked Congress to declare war on Germany. The votes for war in the senate was 88-0 and 393-0 in the house.
  • The Russian Monarchy is Overthrown

    The Russian Monarchy is Overthrown
    Consisted of two revolutions. The first overthrew the Imperial Government and the second putting the Bulsheviks in power. The revolutions were caused because the people did not agree with how the government was handling the war.