Honor their service #ArmyHistory: April 6 is the 100th anniversary of the United States entry into #WWI. Make sure you visit us throughout the week and follow the U.S. Army Center of Military History to learn more about the "Great War" and America's Doughboys. | U.S. Army

Remember, Honor and Educate: April 6, 2017 marks the 100th anniversary of the United States’ official entrance into World War I. By the time the United States entered the war, the conflict had been ongoing for nearly three years.The prewar #USArmy, from the turn of the century up to early 1917, was in a transitional phase, converting from horse-drawn equipment and cavalry to emerging technology that would transform the Army into a mechanized force with modern technological advancements by the en