Principles of the Orthodox faith
What is the Constitution of Faith? Historical overview... The Constitution of Faith First: What is the Constitution of Faith?
Second Ecumenical Council - First Council of Constantinople
Call to hold the Council: (381) {The Second Ecumenical Council is a natural result of the Council of Nicaea, because the Arians who said “that the Son
Third Ecumenical Council - Council of Ephesus
428 - 441 The vacancy of the Constantinople see: Atticus, Bishop of Constantinople, died in the fall of the year 425. Proclus, the secretary, ran for the succession.