Ad Apostolicae Dignitatis Apicem [SEP] point in time
Ad Apostolicae Dignitatis Apicem
Ad Apostolicae Dignitatis Apicem was an apostolic letter issued against Holy Roman Emperor Frederick II by Pope Innocent IV (1243–54), during the Council of Lyon, 17 July 1245, the third year of his pontificate.
The letter sets forth that Innocent, desiring to have peace restored to those parts which were then distracted by dissensions, sent for that purpose three legates to Frederick as the chief author of those evils, pointed out the way to peace, and promised that he would do his own part
, and Aquileia (Venice) and 140 bishops. The Latin emperor Baldwin II of Constantinople, Raymond VII, Count of Toulouse, and Raymond Bérenger IV, Count of Provence were among those who participated. With Rome under siege by Emperor Frederick II, the pope used the council to excommunicate and depose the emperor with "Ad Apostolicae Dignitatis Apicem", as well as the Portuguese King Sancho II. The council also directed a new crusade (the Seventh Crusade), under the command of Louis IX of France, to reconquer