The Ecumenical Councils

01. The First Council of Nicaea, 325 A.D.

02. The First Council of Constantinople, 381 A.D.

03. The Council of Ephesus, 431. A.D.

04. The Council of Chalcedon, 451 A.D.

05. The Second Council of Constantinople, 553 A.D.

06. The Third Council of Constantinople, 680-681. A.D.

07. The Second Council of Nicaea, 787 A.D.

08. The Fourth Council of Constantinople, 869-70 A.D.

09. The First Council of the Lateran, 1123 A.D.

10. The Second Council of the Lateran, 1139 A.D.

11. The Third Council of the Lateran, 1179 A.D.

12. The Fourth Council of the Lateran, 1215 A.D.

13. The First Council of Lyons, 1245 A.D.

14. The Second Council of Lyons, 1274 A.D.

15. The General Council of Vienne, 1311-12 A.D.

16. The Council of Constance, 1414-18 A.D.

17. The Council of Basel-Ferrara-Florence, 1431-45 A.D.

18. The Fifth Council of the Lateran, 1512-17 A.D.

19. The Council of Trent, 1545-63 A.D.

20. The First Vatican Council, 1869-70 A.D.

21. The Second Vatican Council – 1962-1965 A.D.