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Safe Passage
Passenger liner Lusitania makes a safe passage from New York to Liverpool, England. The United states remains unaffected by German submarine warfare, and diplomatic relations between them remain steady. -
Zimmerman Note
The Zimmerman telegram is intercepted by the United States. Upon receiving the message the U.S. considers levying its neutrality in favor of the allied powers. -
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Severing Connections
Germany's continued use of unrestricted submarine warfare begins affecting American waters. As a result the United states severs diplomatic relations with Germany. -
No Longer Neutral
The United States declares war on Germany. America officially sides with the allied powers. -
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The First Dispatch
General John J. Pershing, newly selected commander of the American Expeditionary Forces, arrives in England with his staff on June 7, 1917, then in France on June 24, 1917. The AEF was established on July 5, 1917, in France under the command of Gen. John J. Pershing. -
Political Compromises
President Woodrow Wilson presents to Congress his outline of Fourteen Points required for peace. A speech outlining his vision for ending World War I in a way that would prevent such a conflagration from occurring again. -
Treaty of Brest-Litovsk
Russia signs the Treaty of Brest-Litovsk with Germany. This seemingly ends and tensions between the two nations. -
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Germany's Final Push
Germany begins its final offensive of the war and American women recruited to serve as bilingual telephone operators for the AEF arrive in Europe. American women recruited to serve as bilingual telephone operators for the AEF arrive in Europe. United States forces are victorious in the Battle of Cantigny, the first independent American operation. American forces stop German attempt to cross the Marne River at Chateau-Thierry. -
The Last Battle
Allied forces begin the attack at Meusse-Argonne, the final offensive of the war. This would eventually end with Germany signing the Armistice at Compiègne, ending World War I. -
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The War to End All Wars
Peace conference begins at Paris. Draft of the covenant of the League of Nations is completed. Allied and German representatives sign treaty of Versailles. The United States signs treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany. Treaty of Versailles takes effect and the United States Senate fails to ratify Treaty of Versailles twice.. United States signs separate peace treaties with Germany, Austria, and Hungary.
