Christian Denominations

Mani

200

Mani, of Iranian origin, was the prophet and the founder of Manichaeism, a gnostic religion of late antiquity which was widespread but no longer prevalent by name.

First Council of Nicea

325

The First Council of Nicaea was a council of Christian bishops congregated in the Bithynian city of Nicaea by the Roman Emperor Constantine I.

First Council of Ephesus

431

The Council of Ephesus was a council of Christian bishops congregated in Ephesus by the Roman Emperor Theodosius II.

First Council of Chalcedon

451

The Council of Chalcedon was a church council held from 8 October to 1 November, 451, at Chalcedon. The Council was called by Emperor Marcian to set aside the 449 Second Council of Ephesus.

Third Council of Constantinople

680

The Third Council of Constantinople, counted as the Sixth Ecumenical Council by the Eastern Orthodox and Catholic Churches, as well by certain other Western Churches, met in 680/681 and condemned monoenergism and monothelitism as heretical and defined Jesus Christ as having two energies and two wills.

Second Council of Nicea

787

The Second Council of Nicaea is recognised as the last of the first seven ecumenical councils by the Eastern Orthodox Church and the Roman Catholic Church. In addition, it is also recognised as such by the Old Catholics and others. Protestant opinions on it are varied.

Great Schism

1054

The East–West Schism, also called the Great Schism and the Schism of 1054, was the break of communion between what are now the Catholic Church and Eastern Orthodox churches, which had lasted until the 11th century.