Nicaea. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/Nicaea
An ancient city of Bithynia in northwest Asia Minor. Dating from the fourth century BC, it flourished during Roman times. The Nicene Creed was adopted at an ecumenical council convened here by Constantine I in AD 325.
By this means it was able to defy both the Seljuks and the Ottomans, and to maintain its independence against the emperors of Nicaea and Constantinople.
Before the Diocletian persecution; others for a date between 303 and 314, after the persecution, but before the synod of Arles; still others for a date between the synod of Arles and the council of Nicaea, 325.
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.
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.
Hence the practice, immediately after Nicaea I., of superadding banishment by the emperor to synodical condemnation.