Patr. of Constantinople from 446. In 448 at a synod in Constantinople he excommunicated Eutyches for heretical teaching about the Person of Christ. At the Latrocinium this decision was reversed; the maltreatment Flavian suffered is said to have caused his death. He was vindicated at the Council of Chalcedon, which regarded him as a martyr. Feast day in the E., variously 16, 17, 18 Feb. and 12 Nov.; in the W., 18 Feb.
Subjects: Christianity — Medieval and Renaissance History (500 to 1500).