Marshal Joseph Jacques Césaire Joffre (; 12 January 1852 – 3 January 1931), was a French
general who served as Commander-in-Chief of French forces on the Western Front from the start of World War I until the end of 1916. He is best known for regrouping the retreating allied armies to defeat the Germans at the strategically decisive
First Battle of the Marne in September 1914.