YMCA, which Cart says provided an “incredible amount of sporting equipment to the men and women in service during the War,” then offered up $100,000 to make the Games a reality.

WORLD WAR I POSTERS OFFER UNIQUE GLIMPSE INTO SOLDIERS' STORIES YEARS AFTER THE ARMISTICE

The organization signed a contract in February 1919 to fund the construction of Pershing Stadium – named after John Pershing, U.S. Army general and commander of the American Expeditionary Forces – outside of Paris.

The contract required the stadium to be built in just three months. But when labor issues threatened its completion, “American engineers and labor troops, in their olive drab uniforms, worked night and day on the stadium along with a force of about 300 French soldiers” in order to get it finished, theMuseum said in a summary of the event.

Once built, Pershing Stadium held around 30,000 spectators and enclosed nine acres of fields.

“That the cherished bonds of friendship between France and America, forged anew on the common field of battle, may be tempered and made enduring on the friendly field of sport,” read a bronze plaque placed on the stadium’s Tribune of Honor, a platform where dignitaries sat during the Games.

For just over two weeks in June and July that year, tens of thousands packed Pershing Stadium and other parts of France to witness sporting competition between the Allied forces.

AMERICA'S DEADLIEST BATTLE: WORLD WAR I'S MEUSE-ARGONNE OFFENSIVE

The U.S. dominated events such as track and field, rifle and pistol shooting and tug-of war, where when “matched against the heavy Belgian eight