Causes of WWI

By nick.finerty
  • Triple Alliance is Formed

    Triple Alliance is Formed

    • Military Alliance between Germany, Austria-Hungary, and Italy
    • Each member promised mutual support in the event of an attack
  • The Triple Entente is Formed

    The Triple Entente is Formed

    -Alliance between Britain, France, and Russia
    - At the Start of WWI all members entered as allies
  • Austria- Hungary Takes Control of Bosnia

    Austria- Hungary Takes Control of Bosnia

    • The annexation led to problems between the Paul Monarchy and Turkey
    • It almost ended a general European War
  • Archduke Franz Ferdinand is Assassinated in Sarajevo

    Archduke Franz Ferdinand is Assassinated in Sarajevo

    • Wasn't liked when he became emporer because he wanted to make change
    • Escaped the first attempt clean, but the next attempt he was shot in the neck, thus causing death
  • Austria-Hungary Declares War on Serbia

    Austria-Hungary Declares War on Serbia

    -It was the start of WWI
    - Began in Europe but quickly spread through the whole world
  • Germany Invades Belgium

    Germany Invades Belgium

    • it was part of the Sclieffen Plan
    • The invaded to outflank the French Army

  • A German U-Boat Sinks the Lusitania

    • Took voyage during the outbreak of WWI
    • Was hit and 1,198 died of the 1,959 that were on board
  • The First Battle of the Somme Begins

    The First Battle of the Somme Begins

    • The Battle that showed the horrors of WWI
    • The battle had a huge effect on the pverall casualty numbers

  • The Zimmerman Note is Discovered

    • Telegram from Germany to Mexico to declare war on the US
    • Main cause for the US to declare war

  • The United States Declares War on Germany

    • Declared war because of the Zimmerman Note and the Lusitania
    • Wilson was afraid the US would lose its tolerance