Reims, located in the north-east of modern France, hosted several councils or synods in the Roman Catholic Church.
[1] In a book written in the 1890s, by Alonzo T Jones, it is stated of the Council of Rheims in 991, the papacy is declared to be "the man of sin, the mystery of iniquity".
The council was held at the appointed time, and in addition to churchmen from other lands about one-third of the bishops and abbots from the king's territory attended.
Leo IX was aided by Henry III, Holy Roman Emperor, in other attempts at reform, with whom he worked apparently in complete concord.
The Council excommunicated Geoffrey II, Count of Anjou, for the imprisonment of Gervais de Château-du-Loir, bishop of Le Mans.
[6] The Council had a dogmatic declaration about the primacy of the Bishop of Rome: "declaratum est quod solus Romanae sedis pontifex universalis Ecclesiae Primas esset et Apostolicus.