19th » The Council of Clermont, called by Pope Urban II to discuss sending the First Crusade to the Holy Land, begins.
27th » Pope Urban II declares the First Crusade at the Council of Clermont.
28th » On the last day of the Council of Clermont, Pope Urban II appoints Bishop Adhemar of Le Puy and Counts of Toulouse known as Count Raymond IV of Toulouse to lead the First Crusade to the Holy Land.