Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 57. Chapters: 1st-century Christian church councils, 3rd-century Christian church councils, 4th-century Christian church councils, 5th-century Christian church councils, 6th-century Christian church councils, Seven Ecumenical Church councils, Ecumenical council, First Council of Nicaea, Council of Chalcedon, First Council of Ephesus, Second Council of Nicaea, First Council of Constantinople, Second Council of Constantinople, Third Council of Constantinople, Synod of Ancyra, Council of Jerusalem, Church Fathers, Catholic Ecumenical Councils, First seven Ecumenical Councils, Second Council of Ephesus, Synod of Elvira, Council of Rome, Council of Seleucia, Council of Sardica, Councils of Carthage, Council of Sirmium, Council of Epaone, Synod of the Oak, Synods of Antioch, Councils of Orange, Council of Rimini, Council of Laodicea, Councils of Aquileia, Council of Aquileia, 381, Synod of Arles, Second Council of Braga, Synod of Macon, Palladius of Ratiaria, First Council of Braga, First Council of Lugo, Council of Tours, Council of Clermont, First Council of Orleans, Council of Seleucia-Ctesiphon, Synod of Gangra, Synod of Hippo, Third Council of Ephesus, Councils of Saragossa, Fifth Council of Orleans, Council of Philippopolis, Synod of Neo-Caesarea, Councils of Nimes, Synod of Brefi, First Council of Toledo, Councils of Arabia, Synod of Grado. Excerpt: The First Council of Nicaea was a council of Christian bishops convened in Nicaea in Bithynia (present-day znik in Turkey) by the Roman Emperor Constantine I in A.D. 325. The Council was the first effort to attain consensus in the church through an assembly representing all of Christendom. Its main accomplishments were settlement of the Christological issue of the relationship of Jesus to God the Father; the construction of the first part of the Nicene Creed; settling the calculatio...