11th Century
- Michael Cerularius, Ecumenical Patriarch of Constantinople, in 1054.
- The legal validity of this excommunication has been questioned as it was delivered by legates of Pope Leo IX after the Pope's death. It was declared lifted on December 7, 1965.
- Henry IV, Holy Roman Emperor by Pope Gregory VII
- Bolesław II the Generous, Duke of Poland, was excommunicated in 1080 after murdering the bishop Saint Stanislaus of Kraków.
- Philip I of France, king of France, for repudiating his marriage and remarrying, by Hugh, Archbishop of Lyon and later reaffirmed by Pope Urban II.
Read more about this topic: List Of People Excommunicated By The Roman Catholic Church