It is largely in what today is Wallonia, the French-speaking area of southern Belgium, but it extends into France, Germany, and Luxembourg.

In World War II, most of Foy was occupied by German forces during the Battle of the Bulge.

On January 2, 1945, the 1st Canadian Parachute Battalion was assigned to patrolling duties and to aid defense.

The role of the Canadians was small compared to that of the Americans, acting as more of a substitute for the 101st when that unit was called elsewhere.

A monument to the American paratroopers was built in 2004 at the edge of the Bois Jacques, south of Foy.