Timeline of Unites States Involvement in World War I

June 30, 2017 | By French Culture

One hundred years after the U.S. entered World War I, the French Embassy seeks to shed light on this momentous occasion through a series of exhibitions, talks, concerts, and screenings beginning in New York City and continuing across the U.S. throughout 2017.

Below is a timeline of the major battles involving the U.S. Army during World War I. 


April 6, 1917: US President Woodrow Wilson speaks before Congress, arguing to declare war on Germany because “America is privileged to spend her blood and her might for the principals that gave her birth and happiness and the peace she has treasured.”

June 13, 1917: US troops arrive in France

August 8, 1917: American troops fight on the Western front

August 8, 1917: The 369th infantry division or the Harlem Hellfighters—a mainly African-American division of the US army—is put at the command of the French army.

Major Battles Involving the U.S. Army:

November 20 - December 4, 1917: Battle of Cambrai

March 21 - April 6, 1918: Battle of the Somme (defensive)

April 9-27, 1918: Battle of the Lys

May 27 - June 5, 1918: Battle of Cantigny

June 9-13, 1918: Battle of Noyon-Montdidier

July 15-18, 1918: Fourth Battle of Champagne

July 18 - August 6, 1918: Second Battle of the Marne

August 8 - November 11, 1918: Battle of the Somme (offensive)

August 18 - November 11, 1918: Battle of Oise-Aisne

August 19 - November 11, 1918: Battle of Ypres-Lys

September 12-16, 1918: Battle of Saint-Mihiel

September 26 - November 11, 1918: Meuse-Argonne Offensive

October 24 - November 4, 1918: Battle of Vittorio Veneto

Throughout the First World War, 117,465 Americans died in combat and 204,002 were injured in combat.

The arrival of Americans during World War I was crucial and put an end to the war, which killed over 38 million people, both soldiers and civilians, of nearly every nationality.