Second Armistice at Compiègne
He represented the French Minister of Foreign Affairs in the Second Armistice at Compiègne on 22 June 1940. He was named delegate general in the territories occupied on July 9, 1940. Ten days later he resigned, and he joined de Gaulle in 1943. He is member (1944) next president of French Academy of Moral and Political Sciences (1958).