In November 1943, the German army carried out a large-scale sweep of the French resistance fighters hiding in the Champollion Valley. The German soldiers smiled as they looked down on the scattered bodies of the dead.

　　On September 8th 1943, on the Western Front of World War II, the German army arrived in Champelion. The German army had sensed that the French Resistance was entrenched and hiding in the Champelion Valley, and in particular in Champelion. In November 1943, the German army carried out a major sweep of the Champelion Valley. The number of executions of French resistance fighters by the Germans increased, and the bodies of the murdered French resistance fighters lay scattered about. The German soldiers looked down on the bodies of the French resistance fighters and smiled. The Mayol house in Gap became a scene of interrogation and torture.

　　On June 24th 1940, France surrendered to Germany and a truce was signed. In response to the Allied landing in North Africa from November 11th 1942, the German army invaded Free France from November 11th 1942 in order to prevent the landing of the Allied forces in the Provence region in southern France. The German army was supported by several French collaborators. In December 1943, the German military police (Gestapo) intervened and executed them after receiving a tip-off about the betrayal. The German army, which arrived in Chansol, increased the number of killings of the French resistance through summary executions. They arrested 172 French resistance fighters in Chansol and killed 83 of them.

　　On June 10th 1941, the German army broke the non-aggression pact and invaded the Soviet Union. The French communists joined in large numbers and the resistance was organized. Most of the maquis were based in the Brittany region and the mountainous areas of southern France, and they waged guerrilla warfare against the German army. The maquis gathered in the Champoléon Valley. The Germans pursued the resistance into the mountains and machine-gunned them. On November 12th and 13th 1943, the Germans rounded up the resistance in Pont du Fossé.