The first trace of system is in the limited right of appeal given by the first oecumenical council of Nicaea and its provision that episcopal sentences or those of provincial synods on appeal were to be recognized throughout the world.
Meanwhile at the council of Nicaea he seems to have discovered that the Alexandrians were right in claiming that Arius was carrying his subordinationism so far as to deny all real divinity to Christ.
He was chosen emperor in his forty-third year by the officers of the army at Nicaea in Bithynia in 364, and shortly afterwards named his brother Valens colleague with him in the empire.
It is interesting to note that at the synod of Antioch the use of the word consubstantial to denote the relation of God the Father to the divine Son or Logos was condemned, although it afterwards became at the Council of Nicaea the watchword of the orthodox faction.
Irene replaced them by a more trustworthy force, and convoked a fresh council of three hundred bishops and monks innumerable in September 787, at Nicaea in the church of St Sophia.
Under his successors, except during the brief reign of Julian (361-363), when the effort was made to reinstate paganism in its former place of supremacy, the Church received growing support, until, under Theodosius the Great (379-395), orthodox Christianity, which stood upon the platform adopted at Nicaea in 325, was finally established as the sole official religion of the state, and heathen worship was put under the ban.
The appeal given by Nicaea I.
After the capture of Nicaea by the Crusaders (1097), Konia became the capital of the Seljuk Sultans of Rum (see Seljuks and Turks).
Hence the practice, immediately after Nicaea I., of superadding banishment by the emperor to synodical condemnation.
It Is To Be Regretted That The Reverend Fathers Who Formed The Council Of Nicaea Did Not Abandon The Moon Altogether, And Appoint The First Or Second Sunday Of April For The Celebration Of The Easter Festival.