Vézelay Abbey unique importance in the development of the Crusades. Thirty years before the Vézelay tympanum was carved, Pope Urban II planned on announcing his call for a crusade at La Madeleine. In 1095, Urban altered his plans and preached for the First Crusade at the Council of Clermont, but Vézelay remained a central figure in the history of the crusades. The tympanum was completed in 1130. Fifteen years after its completion, Bernard of Clairvaux chose Vézelay as the place from which he would call for a Second Crusade. Vézelay was even the staging point for the Third Crusade. It is there
Pope Pius II was not an eminent scholar. His Latin was fluent, but he knew little Greek. Still, his writings have many good qualities. Pope Pius II inaugurated an unusual urban project, perhaps the first city planning exercise in modern Europe. He refurbished his home town of Corsignano (province of Siena, Tuscany) and renamed it Pienza, after himself. A cathedral and palaces were built in the best style of the day to decorate the city. They survive to this day. Pope Pius II Pope Pius II (, ), born Enea Silvio Bartolomeo Piccolomini (; 18 October 1405 – 14 August 1464) was Pope