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 VI Pope Urban VI Pope Urban VI (; c. 1318 – 15 October 1389), born Bartolomeo Prignano (), was Pope from 8 April 1378 to his death in 1389. He is so far the last pope to be elected from outside the College of Cardinals. His reign, which began shortly after the end of the Avignon Papacy, was marked by immense conflict between rival factions as part of the Western Schism. Born in Itri, Prignano was a devout monk and learned casuist, trained at Avignon. On 21 March 1364 he was consecrated Archbishop of Acerenza in the Kingdom of Naples. He