EO Compass

Explore the Historical Timeline

THE SEVEN ECUMENICAL COUNCILS

Explore the foundational, historical timeline defining Orthodox Doctrine.

325 AD

Council I: Nicaea

St. Athanasius and Arius

"The Council of Nicaea defined the consubstantiality of the Son with the Father and condemned Arianism."

Council I Contextual Summary

Key Figures Involved

St. Athanasius, Emperor Constantine

Central Theological Issue

Arian Heresy regarding the divinity of Christ.

Historical Outcome & Dogmatic Definition

The original Nicene Creed was structured.