Council of Nicea
The First Council of Nicaea formally opens at Nicaea under imperial sponsorship to address the Arian controversy and other church disputes.
Historical events in 325
6 historical records
Council of Nicea
Defines the absolute unity of divine essence & equality of the Trinity
Execution of Licinius
Constantine orders the execution of the former emperor Licinius after initially permitting him to live in retirement.
Arius Condemned at Nicaea
The bishops assembled at Nicaea condemn Arius and his principal theological claims after extended debate.
Council of Nicea
The Council of Nicaea adopts a creed affirming the Son as of the same substance with the Father and condemns Arius's teaching.
Nicaea Easter Agreement
The Council of Nicaea also seeks a common method for determining the date of Easter across Christian communities.