Pope Urban II that was caused by the Great Schism of 1054. Others believe that Urban saw this as an opportunity to gain legitimacy as the pope as at the time he was contending with the antipope Clement III. A third theory is that Urban felt threatened by the Muslim incursions into Europe and saw the crusades as a way to unite the christian world into a unified defense against them. The most important effect of the First Crusade for Urban himself was the removal of Clement III from Rome in 1097 by one of the French armies. His restoration there was supported
Pope Urban IV lands in northern Italy, nor in the Papal States. Charles promised to restore the annual "census" or feudal tribute due the Pope as overlord, some 10,000 ounces of gold being agreed upon, while the Pope would work to block Conradin from election as King of the Germans. Before the arrival in Italy of his candidate Charles, Urban IV died at Perugia on 2 October 1264. His successor was Pope Clement IV, who immediately took up the papal side of the arrangement. Tannhäuser, a prominent German Minnesänger and poet, was a contemporary of Pope Urban IV—the pope died in 1264, and