The Ecumenical Patriarch of Constantinople is the archbishop of Constantinople and primus inter pares among the heads of the several autocephalous churches that comprise the Eastern Orthodox Church. T
Double-headed eagle emblem atop the entrance of the Patriarchate of Constantinople.
Throne room inside the Patriarchate of Constantinople. The Gospel is enthroned on the dais; the patriarch sits on the lower throne in front.
Christ Pantocrator mosaic from Hagia Sophia 2744 x 2900 pixels 3.1 MB
Council of Chalcedon
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The Council of Chalcedon was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, Bithynia from 8 October
Fourth Ecumenical Council of Chalcedon, 1876 painting by Vasily Surikov
Council of Chalcedon, fresco at Ferapontov Monastery, c. 1502.
Council of Chalcedon in the Nuremberg Chronicle.