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Franz Ferdinand Assassination
Archduke Franz Ferdinand and his wife were assassinated while visiting Sarajevo, Bosnia. He was next in line for the Austro-Hungarian throne. The killing set off decades old tensions in Europe and started WWI. -
Austria-Hungary declares war on Serbia
When Austria-Hungary declared war on Serbia, World War I began. -
First Use of Gas as a Weapon by Germans
The Germans first used gas as a weapon to kill soldiers. -
Sinking of the Lusitania
The Lusitania was a ship that was carrying passengers and the Germans sunk it with a torpedo. It was later found to actually be carrying weapons also. -
Wilson reelected; pledged American neutrality
Wilsons was reelected for the democratic leader in the election, his slogan was "He kept us out of the war". -
Zimmerman Note
A secret communication in 1917 that said it wanted an alliance between Germany and Mexico before America was in WWI. -
US Declares War
US declared war against Germany after Germany violated the pledge that they will not send any more torpedos to ships after the sinking of the Lusitania. -
Bolsheviks led by Lenin overthrows Russian government
Russia's revolution took place and Lenin overthrew the Russian Government. -
War Ends
War ends between Germany and the United States. -
Treaty of Versailles
This treaty ended the state of the war with Germany and the Allied Powers. It was signed in Versalles in 1919.
