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Assasination of Archduke Francais Ferdinand
The assasination of Archduke Francais Ferdinand, who was the heir to the throne of Austria-Hungary, sparked the start of World War I. He was assasinated by the Serbian Nationalist group called the Black Hand. -
Austria Gives Serbia an Ultimatum
Austria demands Serbia to end all anti-Austrian activities and let Austrian officals take care of the murder investigation. Serbia is given 48 hours to meet these demands. -
Austria Declares War on Serbia
Austria Declares War on Serbia. -
Germany Declares War on Russia
Germany declares war on Russia and then two days later on France. -
Sinking of the Lusitania
128 americans were killed by torpedo attacks. This was done by the Germans. -
The Sinking of the Sussex
The German torpedoed the Sussex killing around 80 people. -
Zimmerman's Note
Germany sends a secret telegram to Mexico stating that if the United States joins the war, Mexico will be asked ally with Germany. -
US Enters War
The United States officially enters the war. -
The Hundred Days Offensive
The allies commenced offensives against the Central Powers. -
Armistice Day
This was the cease-fire of the war.
