Council of Nicaea: Did you mean...?

The Empire of Nicaea was a successor state to the Byzantine Empire, or rather a Byzantine Empire in exile lasting from 1204 to 1261 CE. The Empire of Nicaea was founded in the aftermath of the sacking of Constantinople during the Fourth Crusade...

Icon from the Mégalo Metéoron Monastery in Greece, representing the First Ecumenical Council of Nicaea in 325 CE, with the condemned Arius in the bottom of the icon.

The Council of Chalcedon was called in 451 CE by the Roman Emperor Marcian (r. 450-457) to settle debates regarding the nature (hypostases, "reality") of Christ that had begun at two earlier meetings in Ephesus (431 CE and 439 CE). The question...

The Council of the Indies (El Real y Supremo Consejo de las Indias) operated from 1524 to 1834 and was the supreme governing body of the Spanish Empire in the Americas and Spanish East Indies. Reporting directly to the monarch, the Council...

The Council of Trent (1545-1563) was a meeting of Catholic clerics convened by Pope Paul III (served 1534-1549) in response to the Protestant Reformation. In three separate sessions, the council reaffirmed the authority of the Catholic Church...

The Council of Clermont in central France was held in November 1095 and witnessed Pope Urban II's (r. 1088-1099) historic call for the First Crusade (1095-1102) to capture Jerusalem for Christendom from its Muslim occupiers. The Pope's speech...

The Canons of the Council of Trent (1545-1563) were rules one was expected to follow in order to be a member of the Catholic Church and, according to the Church's teachings, merit the grace of God and eternal life in heaven after death. The...

The Christian doctrine of the Trinity (from the Latin trinus, meaning "threefold") professes that there is one God, but three eternal and consubstantial persons (aspects): the Father, the Son, and the Holy Spirit. The Father is the God of...

Council of Trent (1545-1563), fresco by Pasquale Cati, 1588. Basilica of Santa Maria in Trastevere.

The Despotate of Epirus was one of the successor states of the Byzantine Empire when it disintegrated following the Fourth Crusade's capture of Constantinople in 1204 CE. It was originally the most successful of those successor states, coming...