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Assassination of Archduke Francis Ferdinand
The Archduke Francis ferdinand and his wife were assassinated in Sarajevo by Gavrilo Princip. -
Wilson Urges Neutrality
President Woodrow Wilson declared that the United States would remain “impartial in thought as well as in action.” -
Sinking of the Lusitania
The Lusitania was identified and torpedoed by the German U-boat U-20 and sank in 18 minutes. -
Zimmerman Note
The Zimmerman note was diplomatic communication issued from German Foreign office that proposed a military alliance between Germany and Mexico in the prior event of the United States entering World War I against Germany. -
America Declares War
President Woodrow Wilson asked Congress for a declaration of war against Germany. On April 6, Congress granted the request and the United States was formally at war with Germany. -
Creation of the CPI
Wilson created the Committee on Public Information (CPI) to promote the war domestically while publicizing American war aims abroad. -
Selective Service Act
The Selective service act authorized the United States federal government to raise a national army for service in World War I through conscription. -
Espionage Act
It was intended to prohibit interference with military operations or recruitment, to prevent insubordination in the military, and to prevent the support of United States enemies during wartime. -
American Troops Enter Europe
The American Expeditionary Forces or AEF were the United States Armed Forces sent to Europe in World War I. -
Wilson’s 14 Points
The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. -
Second Battle of Marne
The Second Battle of Marne was the last major German offensive on the Western Front during the First World War. -
German Surrender in Compiegne, France
The Armistice of 11 November 1918 was the armistice that ended fighting between the Allies and their last opponent, Germany. -
Paris Peace Conference
The Paris Peace Conference was the meeting of the victorious Allied Powers following the end of World War I to set the peace terms for the defeated Central Powers. -
Rejection of the Treaty of Versailles
The Senate rejected the Treaty of Versailles based primarily on objections to the League of Nations.