Nicetas was a twelfth-century

Archbishop In Christian denominations, an archbishop is a bishop of higher rank or office. In most cases, such as the Catholic Church, there are many archbishops who either have jurisdiction over an ecclesiastical province in addition to their own archdi ...

Nicomedia Nicomedia (; el, Νικομήδεια, ''Nikomedeia''; modern İzmit) was an ancient Greek city located in what is now Turkey. In 286, Nicomedia became the eastern and most senior capital city of the Roman Empire (chosen by the emperor Diocletia ...

. He is noted for having said that the Church of Rome "has separated herself from us by her own deeds when through pride she assumed a monarchy which does not belong to her office." He also participated in a theological debate with

Anselm of Havelberg Anselm of Havelberg (c. 1100 – 1158) was a German bishop and statesman, and a secular and religious ambassador to Constantinople. He was a Premonstratensian, a defender of his order and a critic of the monastic life of his time, and a theo ...

when he was the Archbishop of Nicomedia. This took place on April 3, 1136 in the city of

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

, capital of the

East Roman Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

(referred to sometimes as the

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

).See Sylvain Gouguenheim, ''Aristote au Mont-Saint-Michel. Les racines grecques de l’Europe chrétienne'', Éditions du Seuil, coll. L'univers historique, Paris, 2008, p.109, ()

References

12th-century Eastern Orthodox bishops 12th-century Byzantine bishops İzmit {{Byzantine-bio-stub