The Battle of Rocroi took place on May 19, 1643, during the Thirty Years' War. It was a significant conflict between the forces of France and the Spanish Empire. The French army, led by Duc d'Enghien, later known as Prince of Condé, achieved a decisive victory against the Spanish troops, marking a turning point in the war. This battle showcased the effectiveness of the French military tactics and the decline of Spanish power in Europe. The defeat at Rocroi contributed to the eventual decline of the Spanish Habsburgs and solidified France's position as a dominant European power in the following decades.