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Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Byzantine Church–State Relations (c. 330–1453 CE)

Byzantine Church–State Relations (c. 330–1453 CE)

  1. Constantine dedicates Constantinople as new capital

    Labels: Constantine I, Constantinople

  2. Edict of Thessalonica establishes Nicene orthodoxy

    Labels: Edict of, Theodosius I

  3. First Council of Constantinople elevates Constantinople’s see

    Labels: First Council, Patriarchate of

  4. Council of Chalcedon confirms Constantinople’s privileges

    Labels: Council of, Patriarchate of

  5. Justinian promulgates Codex Justinianus

    Labels: Justinian I, Codex Justinianus

  6. Justinian asserts “priesthood and empire” ideal

    Labels: Justinian I, Novel 6

  7. Vigilius becomes pope amid Byzantine intervention

    Labels: Vigilius, Byzantine Empire

  8. Quinisext Council issues disciplinary canons

    Labels: Quinisext Council, Justinian II

  9. Leo III issues the Ecloga legal code

    Labels: Leo III, Ecloga

  10. Council of Hieria condemns religious icons

    Labels: Council of, Constantine V

  11. Second Council of Nicaea restores icon veneration

    Labels: Second Council, Empress Irene

  12. Council of Constantinople ends iconoclasm

    Labels: Council of, Empress Theodora

  13. Fourth Council of Constantinople deposes Photius

    Labels: Fourth Council, Photius

  14. Council of Constantinople reinstates Photius

    Labels: Council of, Photius

  15. Mutual excommunications deepen East–West rupture

    Labels: Mutual Excommunications, Michael I

  16. Fourth Crusade sacks Constantinople

    Labels: Fourth Crusade, Crusaders

  17. Council of Florence proclaims union with Rome

    Labels: Council of, Laetentur Caeli

  18. Ottomans capture Constantinople; Byzantine order ends

    Labels: Ottoman conquest, Constantinople