Armistice of 11 November 1918
The Armistice of 11 November 1918 was the armistice that ended fighting on land, at sea, and in the air in World War I between the Entente and their last remaining opponent, Germany. It was signed in a railroad car in the Compiègne Forest, near the town of Compiègne.
Source: Wikipedia — Armistice of 11 November 1918 (CC BY-SA 4.0)