This Day in History: , The United States Officially Enters World War I.<br />April 6, 1917.<br />War against Germany was <br />declared in both the Senate and <br />House of Representatives by votes <br />of 82-6 and 373-50, respectively.<br />President Woodrow Wilson had called for <br />the declaration of war four days earlier.<br />The U.S. had been preparing for <br />war since the passage of a $250 million arms <br />appropriations bill in Feb.<br />Though initially against joining the war in Europe, <br />American public opinion shifted as German <br />attacks on ocean liners escalated.<br />The first U.S. troops landed <br />in France in late June.<br />The arrival of fresh and well-supplied <br />forces proved to be a turning point in <br />the war after four years of bloody combat
