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Franz Ferdinand assassination
Archduke Franz Ferdinand and his wife were assassinated while visiting Sarajevo, Bosnie. He was next in line for Austro-Europe and started WWI. -
July 28, 1914
The date Austria-Hungry declared war on Serbia -
Austria-Hungary
The date Austria-Hungary declared war on Serbia. -
Chemical Weapons
First use of gas as a weapon by the Germans. -
Sinking of the Lusitania
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Wilson Re-Elected
He pledged America would be neutral. -
Zimmerman Note
A secret communication issued from German Foreign Office. -
The War Begins
U.S. declares war. -
Lenin Leads
Bolsheviks led by Lenin overthrow Russian government. -
The end of World War I
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Treaty of Versailles
The signing of the peace treaty by Allied Powers and Germany.