an ancient city in Bithynia; founded in the 4th century BC and flourished under the Romans; the Nicene Creed was adopted there in 325
the seventh ecumenical council in 787 which refuted iconoclasm and regulated the veneration of holy images
the first ecumenical council in 325 which produced the wording of the Nicene Creed and condemned the heresy of Arianism
An ancient city in Bithynia in Asia Minor, important during Roman and Byzantine times, on the site of modern-day İznik, Turkey, to which it gave its name. Famous as the site of the First Council of Nicaea in 325 AD, which composed the Nicene Creed.