The town became a Roman provincial capital and remains of Roman constructions are everywhere in modern Vienne. The town was also an important early bishopric in Christian Gaul. Its most famous bishop was Avitus of Vienne. At the Council of Vienne, convened there in October 1311, Pope Clement V abolished the order of the Knights Templar. During the Middle Ages, Vienne was part of the kingdom of Provence, dependent on the Holy Roman Empire, while the opposite bank of the Rhône was French territory, thus making it a strategic position.