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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 killings set off decades old tensions in Europe and started WWI -
Austria-Hungary and Serbia
Austria-Hungary declares war on Serbia -
First use of a gas weapon by the Germans
The Germans were the first to use a gas weapon -
Sinking of the Lusitania
A torpedo from the germans sunk the Lusitania with 128 american passengers on board -
Wilson reelected; pledged American neutrality
Wilson was reelected and he pledged neutrality to World War I -
Zimmerman note
The Zimmerman note was a telegram that was sent from the German Ambassador to Mexico -
US declares war
The USA entered WWI -
Bolsheviks led by Lenin overthrow Russian government
Vladimir Ilyich Lenin overthrew the provisional government of Alexander Kerensky -
WWI ended
The Great World War I ended -
The Treaty of Versailles
This treaty ended the state of war between Germany and allied powers.