Causes of World War I

  • The Triple Alliance is formed

    The Triple Alliance is formed
    The Triple Alliance was formed in May of of 1882. The Alliance was made up of Italy, Germany, and Austria-Hungary. These three empires entered World War I as an Alliance
  • Period: to

    Causes of WWI

  • The Triple Entente is formed

    The Triple Entente is formed
    The Triple Entente was the Alliance formed by Britain, France, and Russia. They entered the war as allies against Germany and Austria-Hungary.
  • Austria-hungary takes control of Bosnia

    Austria-hungary takes control of Bosnia
    To the Bosnians this was known as the Bosnian crisis. Austria-Hungary announced the adding of Bosnia to their Empire in 1908
  • Archduke Franz Ferdinand is Assassinated in Sarajevo

    Archduke Franz Ferdinand is Assassinated in Sarajevo
    The Archduke and his wife were on a trip to Serbia to streghten the relationship with Serbia. Their was one attempt to kill him with a bomb while he was riding in his car, his body guard was injured. Later that night as he was on his way to visit his body guard at the hospital him and his wife were shot.
  • Austria-Hungary Declares War on Serbia

    Austria-Hungary Declares War on Serbia
    This event was the event that set off the first World War. Austria-Hungary declare war on Serbia because they were angered by the assanation of their Archduke because he was heir to the throne
  • Germany invade Belgium

    Germany invade Belgium
    Germany invaded Belgium becuase it was part of the plan to get to the French forces. Belgium wanted to stay neutral, and when German forces invaded Britain declared war on Germany.
  • A Germna U-boat sinks the Lusitania

    A Germna U-boat sinks the Lusitania
    The Lusitania was used as a transportation boat to get from the U.S. to Great Britain. The War began and sea travel was dangerous. German U-boats sunk the Lusitania with torpedos
  • The First Battle of the Somme Begins

    The First Battle of the Somme Begins
    This was one of the bloodiest battles of the world. British and French forces battled against German forces. Their was no clear winner of this battle because both sides suffered many casualties.
  • The Zimmerman Note is Discovered

    The Zimmerman Note is Discovered
    The Zimmerman note was the message to Mexican from the Germans asking to declare war on the United States. The message was received by the British forces before it could get to Mexico and it was analyzed and interpretated.
  • The United States declares war on Germany

    The United States declares war on Germany
    The Americans were angered because German U-Boats continued attacking boats with American citizens on them.