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Archduke Franz Ferdinand was a general inspector of the Austro-Hungarian armed forces. His murder led to the July Crisis and caused Austria-Hungary's declaration of war against Serbia. -
British forces arrived in France—nations aligned against Germany, including Great Britain, Russia, Italy Australia, and many others. -
Russia signs the Treaty of Brest-Litovsk with Germany. -
German Submarines sinks the passenger liner Lusitania during the crossing from New York to Liverpool. 128 Americans were killed at that time. -
Italy declares war on Austria-Hungary. -
General John J. the newly elected commander of the American Expeditionary forces, arrived in England with his staff. -
The United States has bad relations with Germany. The United States declared war on Germany. -
President Woodrow Wilson told Congress his main fourteen points required for peace. -
Germany begins its final offensive of the war. -
American first army attacks the St. Mihiel salient. -
Allied forces begin the attack at Meusse-Argonne, the final war offensive of the war. -
British and American forces entered Germany. -
The Stars and Stripes War Orphans Adoption Campaign ends after raising 123,047 francs and placing 3,444 orphans for adoption. -
The draft of the covenant of the League of Nations is completed. -
Allied and German representatives signed the Treaty of Versailles. The United States signed a treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany.