Decline of the Byzantine Empire of its territory in Asia Minor, and was in immediate danger of complete annihilation. It recovered following the Komnenian restoration, as Alexios I Komnenos restored relations with the Papacy, and requested aid against the Turks from Pope Urban II at the Council of Piacenza in 1095. Later that same year, the pope preached the First Crusade at the Council of Clermont. In the wake of the success of the First Crusade, the three competent Komnenian emperors, especially Manuel I Komnenos (r. 1143–1180), may have had the power to expel the outnumbered Seljuks, several factors combined to ensure that they never
Geoffrey of Vendôme monastery to Popes Urban and Paschal. He took part in the councils held at Clermont in 1095, by Pope Urban; at Saintes, in 1096, by the Apostolic Legate Amatus of Bordeaux; and at Reims, in 1131, by Innocent II (1130–43). He also strenuously defended the ecclesiastical principles in the question of investitures, which he qualified in several small tracts as heresy and simony; he wrote in the same spirit to Pope Paschal II when the latter made concessions (1111) to Emperor Henry V (1106–25). Finally, he always defended firmly the prerogatives, the rights, and the property of his abbey at