-
Austria-Hungary declare war on Serbia
-
Franz Ferdinand Assassination
The assassination of Archduke of Austria caused the beginning of World War I -
First use of a gas weapon by the Germans
-
Sinking of the Lusitania
-
Wilson re-elected; pledged American neutrality
-
Zimmerman note
-
U.S. declared war
-
Bulsheviks led by Lenin overthrow Russian government
-
War ends
-
Treaty of Versailles