Middle Ages Egypt and suffering from a series of internal civil wars. The Byzantines also faced a revived Bulgaria, which in the late 12th and 13th centuries spread throughout the Balkans. The crusades were intended to seize Jerusalem from Muslim control. The First Crusade was proclaimed by Pope Urban II (pope 1088–99) at the Council of Clermont in 1095 in response to a request from the Byzantine Emperor Alexios I Komnenos (r. 1081–1118) for aid against further Muslim advances. Urban promised indulgence to anyone who took part. Tens of thousands of people from all levels of society mobilised across Europe and captured
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