French historian, born at Vannes on the 29th of June 1846. He devoted himself to the study in particular of the history of the 19th century, and produced various works of much learning, the chief being Histoire de la Seconde République Française (1887), Histoire du Second Empire (1896–1905) and Histoire religieuse de la Révolution (1909). He was in 1914 elected a member of the French Academy, and in 1918 published a monograph, Deux Frères: André et Pierre de Gailhard-Bancal.