Charles the Bald was king of West Francia (843–77), king of Italy (875–77) and emperor of the Carolingian Empire (875–77). After a series of civil wars during the reign of his father, Louis the Pious, Charles succeeded, by the Treaty of Verdun (843), in acquiring the western third of the empire. He was a grandson of Charlemagne and the youngest son of Louis the Pious by his second wife, Judith. June 17, 823 – October 10, 877; died at 54. Alive at the same time as Muḥammad ibn Musa al-Khwarizmi, Al-Kindi, Ahmad ibn Hanbal, Rudaki, and Alfred the Great. Wiki link