Christianity in the 11th century when the Seljuk Turks closed Christian pilgrimages and assailed the Byzantines, defeating them at the Battle of Manzikert. Emperor Alexius I asked for aid from Pope Urban II for help against Islamic aggression. Urban II called upon the knights of Christendom in a speech made at the Council of Clermont on 27 November 1095, combining the idea of pilgrimage to the Holy Land with that of waging a holy war against infidels. The First Crusade captured Antioch in 1099 and then Jerusalem. A traditional numbering scheme for the crusades totals nine during the 11th to 13th centuries. Elements of the
Roman Catholic Diocese of Saint-Flour of it except the church. Amblard and Astorg, from 1010 to 1013, gave this church and its fief to St. Peter's at Rome, together with the monastery of Sauxillanges, governed by Odilo; but later Amblard considered this donation as void, and constructed a fortress, a remnant of which is now the sacristy of the cathedral, on the site of the old monastery; afterwards Amblard, seized with remorse at Rome, between 1025 and 1031 gave back to Odilo all he possessed, and a large monastery was again founded. Pope Urban II, after the Council of Clermont (1095), consecrated the church of