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Franz Ferdinand Assassination
Archduke Franz Ferdinand and his wife were assassinated by Gavrilo Princip while visiting Sarajevo, Bosnia. He was next in line for the Austria-Hungarian throne. The killings set off old tensions in Europe and started WWI. -
Asutria-Hungray declared war on Serbia
Austria-Hungray balmed Serbia for the assassination. Germany gave Serbia a list of demands which the refused. -
FIrst use of poison gas by Germany
Germany used posin gas agasint the Allies. The gas could kill or seriously injure anyone who breathed. -
Sinking of Lusitania
A German U-Boat sank a British ship. More than 1,000 people died among the dead were 128 American citizens. -
Wilson reelected; pledged American neutrality
Many American wanted him to be reelected because he kept them out of the war. Everyone started to say "He kept us out of the war." -
Zimmerman Note
This was a telegram that proposed an alliance between Germany and Mexico so that the U.S.A could start a war against Germany. -
U.S declares war
The U.S.A declared war on Germany. -
Bolsheviks led by lenin overthrow Russian government
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War Ends
While Germany, Austria-Hungary, and the Ottoman Empire were struggling, a month later the Ottoman Empire and Austria-Hungary surrendered to the Allies -
Treaty of Versailles
A peace treaty that brought WWI to an end.This made Germany responsible for the war and Germany had to give up their overseas empires.