19th November » The Council of Clermont, called by Pope Urban II to discuss sending the First Crusade to the Holy Land, begins.
27th November » Pope Urban II declares the First Crusade at the Council of Clermont.
28th November » 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.