declared the necessity of the First Crusade more info the Crusades https://www.history.com/this-day-in-history/pope-u... the Crusades NOV. 27, 1095: Pope Urban II orders first Crusade History Channel - This Day in History www.history.com/...-urban-ii-orders-first-crusade Pope Urban II orders first Crusade own decree Pope Urban II orders first Crusade Pope Urban II orders first Crusade Pope Urban II orders first Crusade Pope Urban II orders first Crusade Pope Urban II orders first Crusade “Pope Urban II Orders the First Crusade,” History.com Pope Urban II orders first Crusade