4 September 454 A.D. Dioscorus Dies—25th Patriarch of Alexandria; Dean of Catechetical School, Alexandria; Opposed Nestorius; Supported Eutyches; Presided over Robber Council, 449
4 September 454 A.D. Dioscorus Dies—25 th Patriarch of Alexandria; Dean of Catechetical School, Alexandria; Opposed Nestorius; Supported Eutyches; Presided over Robber Council, 449; D eposed by Council of Chalcedon , 451 , But Recognized as Patriarch by Coptic Church Until Death. Editors. “Dioscorus.” Encyclopedia Britannica. N.d. http://www.britannica.com/EBchecked/topic/164420/Dioscorus . Accessed 16 Dec 2014. Dioscorus , (born , Alexandria [Egypt]—died Sept. 4, 454, Gangra, Galatia [now Cankiri , Tur.]), patriarch of Alexandria and Eastern prelate who was deposed and excommunicated by the Council of Chalcedon in 451. He was archdeacon at Alexandria when he succeeded St. Cyril as patriarch in 444. He supported Eutyches , a monk of Constantinople and founder of Eutychianism (an extreme form of Monophysitism ), who was condemned by a synod at Constantinople in 448. The follow...