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
Pope Urban II bitter confrontations with Roger's Hohenstaufen heirs. Pope Urban was beatified in 1881 by Pope Leo XIII with his feast day on 29 July. Pope Urban II Pope Urban II (; – 29 July 1099), born Odo of Châtillon or Otho de Lagery, was Pope from 12 March 1088 to his death in 1099. Urban II was a native of France. He was a descendant of a noble family in Châtillon-sur-Marne. Reims was the nearby cathedral school that Urban, at that time Eudes, began his studies at 1050. Before his papacy he was the abbot of Cluny and Bishop of Ostia