コンスタンティノポリス公会議
The council of 867 was followed by the [[Fourth Council of Constantinople (Roman Catholic)|Council of Constantinople 869]], which reversed the previous council and was promulgated by [[Diocese of Rome|Rome]]. The [[Fourth Council of Constantinople (Eastern Orthodox)|Council of Constantinople in 879]] restored Photius to his see. It was attended by Western legates Cardinal Peter of St Chrysogonus, Paul Bishop of Ancona and Eugene Bishop of Ostia who approved its canons, but it is unclear whether it was ever promulgated by [[Diocese of Rome|Rome]].