Abbey of Saint-Pierre Mozac Austremonius, first bishop of Clermont and responsible for the evangelisation of the Auvergne; the abbey passed under royal protection. These have survived until today and are preserved in a painted wooden casket of the sixteenth century. The chasse reliquary of Calminius, or Saint Calmin, is one of the outstanding masterpieces of Limoges enamel. In 1095 Pope Urban II launched the First Crusade at the Council of Clermont and at the same time affiliated Mozac to the Cluniac Order; nevertheless, Mozac was able to retain some of its independence, as it remained an abbey rather than becoming a dependent priory, as
Pope Urban II Ravenna who held Rome as the antipope "Clement III". Gregory had repeatedly clashed with the emperor Henry IV over papal authority. Despite the Walk to Canossa, Gregory had backed the rebel Duke of Swabia and again excommunicated the emperor. Henry finally took Rome in 1084 and installed Clement III in his place. Urban took up the policies of Pope Gregory VII and, while pursuing them with determination, showed greater flexibility and diplomatic finesse. Usually kept away from Rome, Urban toured northern Italy and France. A series of well-attended synods held in Rome, Amalfi, Benevento, and Troia supported him in renewed