History of literature honor, while poems such as Dante's "Divine Comedy" and Geoffrey Chaucer's "The Canterbury Tales" take much different stylistic directions. In November 1095 - Pope Urban II preached the First Crusade at the Council of Clermont. The crusades would affect everything in Europe and the Middle East for many years to come and literature would, along with everything else, be transformed by the wars between these two cultures. For instance the image of the knight would take on a different significance. Also the Islamic emphasis on scientific investigation and the preservation of the Greek philosophical writings would eventually affect European literature.
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