American troops advancing on the Western Front, March 1918. The United States became directly involved in World War I after declaring war on Germany on April 6, 1917.

Apr 6, 2017 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the shocking discovery of the Zimmermann telegram.

Apr 9, 2025 · The entry of the United States was the turning point of the war, because it made the eventual defeat of Germany possible. It had been foreseen in 1916 that if the United States …

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 …

The United States entered into World War I on 6 April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element urging early support for the British …

The United States suffered 53,402 battle deaths in World War I, in less than six months of fighting. Another 63,114 died from accidents and disease. After the Civil War and World War II, World …

War broke out in Europe in the summer of 1914, with the Central Powers led by Germany and Austria-Hungary on one side and the Allied countries led by Britain, France, and Russia on the …

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 …

Learn about the events that led the U.S. to enter WWI in 1917. Why did the U.S. Fight in WWI? Why did America enter World War I? When WWI began in Europe in 1914, many Americans …

Two days after the U.S. Senate voted 82 to 6 to declare war against Germany, the U.S. House of Representatives endorses the declaration by a vote of 373 to 50, and America formally enters …