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The United States declared war on the German Empire on April 6, 1917, nearly three years after World War I started. A ceasefire and armistice were declared on November 11, 1918.
The United States campaigns in World War I began after American entry in the war in early April 1917. The American Expeditionary Force (AEF) served on the Western Front, under General John J. Pershing, and engaged in 13 official military campaigns between 1917 and 1918, for which campaign streamers were designated.
United States forces are victorious in the Battle of Cantigny, the first independent American operation. June 2, 1918 American forces stop German attempt to cross the Marne River at Chateau-Thierry.
5 kwi 2017 · June 28 Assassination of Archduke of Austria-Hungary Franz Ferdinand. July 28 Austria-Hungary declares war on Serbia. August 1–4 Germany, Austria-Hungary, France, Russia, and Britain all commit to war. August 4 Germany invades Belgium; United States declares its neutrality.
17 cze 2022 · This is a subject guide to the records of American involvement in World War I (1917-1918) held within the collection of the National Archives at Philadelphia. The United States entered the Great War on April 6, 1917, and President Woodrow Wilson enacted the Selective Service Act of May 18, 1917, in order to draft men into military service.
Throughout the Nineteenth Century, the Great Powers of Europe were beset by national and imperial rivalries. Meanwhile, the world as a whole become more interconnected and interdependent than it had ever been.
On April 6, 1917, the United States of America officially entered World War I. Over the next year and a half, millions of Americans served overseas and supported the nation’s war effort at home. Their contributions helped win the war and shaped both America and the world for generations.
