The Battle of Grand Couronné (French: Bataille du Grand Couronné [Great Crown]) from 4 to 13 September 1914, took place in France after the Battle of the Frontiers, at the beginning of the First World War. After the German victories of Sarrebourg and Morhange, pursuit by the German 6th Army (Crown Prince Rupprecht of Bavaria) and the 7th Army, took four days to regain contact with the French and attack to break through French defences on the Moselle.