1.

Concilium NICAEENSE I
325 A.D. / Silvester I

IZNIK , TURKEY

2.

Concilium CONSTANTINOPOLITANUM I
381 A.D. / Damasus I.

ISTANBUL, TURKEY

3.

Concilium EPHESINUM
431 A.D. / Coelestin I.

EPHESUS, TURKEY

4.

Cocilium CHALCEDONENSE
451 A..D. / Leo I.

ISTANBUL, TURKEY

5.

Concilium CONSTANTINOPOLITANUM II
553 A.D. / Vigilius

ISTANBUL, TURKEY

6.

Concilium CONSTANTINOPOLITANUM III.
680 A.D. / Agato

IZNIK , TURKEY

Concilium NCAEENSE II
787 A.D. Hadrian I.

ISTANBUL, TURKEY

8.

Concilium CONSTANTINOPOLITANUM IV

ISTANBUL, TURKEY