Kingdom of Jerusalem Ascalon. Since sets a lower bound for the Samaritan population at 1,500, since the contemporary "Tolidah", a Samaritan chronicle, also mentions communities in Gaza and Acre. Benjamin of Tudela estimated the total Jewish population of 14 cities in the kingdom to be 1,200, making the Samaritan population of the time larger than the Jewish, perhaps for the only time in history. The First Crusade was preached at the Council of Clermont in 1095 by Pope Urban II, with the goal of assisting the Byzantine Empire against the invasions of the Seljuk Turks. However, the main objective quickly became the control
Pope Urban II Ravenna who held Rome as the antipope "Clement III". Gregory had repeatedly clashed with the emperor Henry IV over papal authority. Despite the Walk to Canossa, Gregory had backed the rebel Duke of Swabia and again excommunicated the emperor. Henry finally took Rome in 1084 and installed Clement III in his place. Urban took up the policies of Pope Gregory VII and, while pursuing them with determination, showed greater flexibility and diplomatic finesse. Usually kept away from Rome, Urban toured northern Italy and France. A series of well-attended synods held in Rome, Amalfi, Benevento, and Troia supported him in renewed