History of Christianity defeating them at the Battle of Manzikert. Emperor Alexius I asked for aid from Pope Urban II (1088–1099) for help against Islamic aggression. He probably expected money from the pope for the hiring of mercenaries. Instead, 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. The Second Crusade occurred in 1145 when Edessa was retaken by Islamic forces. Jerusalem would
Gerard (archbishop of York) archdeacon of Rouen. He served in the royal chancery under successive kings of England, William I and William II. Gerard was appointed Lord Chancellor of England in 1085, and was present at William I's deathbed in 1087. He continued as Chancellor to William Rufus until 1092; what precipitated his loss of office is unclear. He retained the king's trust, for Rufus employed him in 1095 along with William Warelwast on a diplomatic mission to Pope Urban II regarding Archbishop Anselm receiving the pallium, the sign of an archbishop's authority. Rufus offered to recognise Urban as pope rather than the Antipope