The History of the Decline and Fall of the Roman Empire / Table of Contents with links in the HTML file to the two Project Gutenberg editions (12 volumes) · Chapter 92
Council of Nicaea
In 325 CE, Constantine convened the first ecumenical council at Nicaea to resolve the Arian controversy, resulting in the Nicene Creed that defined orthodox Christian doctrine on the nature of Christ.
Outcome
Arianism was condemned; the homoousion doctrine was established as orthodoxy, though Arianism persisted among barbarian kingdoms for centuries.
