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  1. Eastern Orthodoxy - Wikipedia

    Eastern Orthodoxy, otherwise known as Eastern Orthodox Christianity or Byzantine Christianity, [1] is one of the three main branches of Chalcedonian Christianity, alongside Catholicism and …

  2. Eastern Orthodoxy | Definition, Origin, History, & Facts | Britannica

    Dec 23, 2025 · Eastern Orthodoxy, one of the three major doctrinal and jurisdictional groups of Christianity. It is characterized by its continuity with the apostolic church, its liturgy, and its …

  3. Christianity: Eastern Orthodoxy - Encyclopedia.com

    It exists as a fellowship of 18 independent or semi-independent church bodies, each headed by a bishop (sometimes called a patriarch). The largest are the Russian Orthodox Church and the …

  4. Eastern Orthodox Church - World History Edu

    The Eastern Orthodox Church, officially known as the Orthodox Catholic Church, represents one of Christianity’s three major branches, alongside Roman Catholicism and Protestantism.

  5. Eastern Orthodox Church - Wikiwand

    Eastern Orthodox theology is based on the Scriptures and holy tradition, which incorporates the dogmatic decrees of the seven ecumenical councils, and the teaching of the Church Fathers.

  6. Eastern Orthodox Church - Wikipedia

    The Eastern Orthodox Church is the primary religious confession in Russia, Ukraine, Romania, Greece, Belarus, Serbia, Bulgaria, Georgia, Moldova, North Macedonia, Cyprus, and …

  7. World Religions - Eastern Orthodox

    As one of the oldest surviving religious institutions in the world, the Eastern Orthodox Church has played a prominent role in the history and culture of Eastern and Southeastern Europe, the …

  8. What is the Eastern Orthodox Church? Its History & Beliefs

    Aug 4, 2023 · In the teachings of Orthodoxy, the Eastern Orthodox Church is the authentic continuation of the original church established by the Apostles shortly after the resurrection of …

  9. Eastern Orthodox Churches – Jew & Greek

    The Eastern Orthodox Church (a.k.a. the Orthodox Church) is the third largest branch of Christianity with approximately 250 million adherents. The majority live in Eastern Europe, the …

  10. December 2025 - Greek Orthodox Archdiocese of America

    What is Orthodox Christianity? The Orthodox Christian Faith proclaims the Gospel of Jesus Christ, the teachings of the Apostles, and the tradition and life of the living Church worldwide …