# Oriental Orthodox Churches

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The Oriental Orthodox Churches are Eastern Christian churches adhering to Miaphysite Christology, with approximately 50 million members worldwide. The Oriental Orthodox Churches adhere to the Nicene Christian tradition. Oriental Orthodoxy is one of the oldest branches in Christianity.
As some of the oldest religious institutions in the world, the Oriental Orthodox Churches have played a prominent role in the history and culture of countries and regions such as Armenia, Egypt, Eritrea, Ethiopia, Sudan, the Levant, Iraq and the Malabar region of southern India. As autocephalous churches, their bishops are equal by virtue of episcopal ordination. Their doctrines recognize the validity of only the first three ecumenical councils.
The Oriental Orthodox communion is composed of six autocephalous national churches: the Coptic Orthodox Church of Alexandria; the Syriac Orthodox Church of Antioch and its constituent autonomous Malankara Jacobite Syrian Church; the Malankara Orthodox Syrian Church; the Armenian Apostolic Church comprising the autocephalous Catholicosate of Etchmiadzin in Armenia and the Catholicosate of Cilicia in the Levant and of diaspora; the Ethiopian Orthodox Tewahedo Church, and the Eritrean Orthodox Tewahedo Church. The Malabar Independent Syrian Church—based in India—and the British Orthodox Church in the UK are independent Oriental Orthodox churches, having formerly been part of one of the mainstream Oriental Orthodox churches.
Oriental Orthodox Christians consider themselves to be the one, holy, catholic, and apostolic Church founded by Jesus Christ in his Great Commission, and its bishops as the successors of Christ's apostles. Three rites are practiced by the churches: the western-influenced Armenian Rite, the West Syriac Rite of the Syriac Church and the Malankara Syrian Church of India, and the Alexandrian Rite of the Copts, Ethiopians and Eritreans.
Oriental Orthodox Churches shared communion with the imperial Roman church before the Council of Chalcedon in 451 AD, and with the Church of the East until the Synod of Beth Lapat in AD 484, separating primarily over differences in Christology.
The majority of Oriental Orthodox Christians live in Egypt, Ethiopia, Eritrea, India, Syria, Turkey and Armenia, with smaller Syriac communities in Western Asia decreasing due to persecution. There are also many in other parts of the world, formed through diaspora, conversions, and missionary activity.

## Name and characteristics

The name "Oriental Orthodox Churches" was formally adopted at the Conference of Addis Ababa in 1965. At the time there were five participating churches, the Eritrean Church not yet being autocephalous.
Other names by which the churches have been known include Old Oriental, Ancient Oriental, Lesser Eastern, Anti-Chalcedonian, Non-Chalcedonian, Pre-Chalcedonian, Miaphysite or Monophysite. The Catholic Church has referred to these churches as "the Ancient Churches of the East".
Today, Oriental Orthodox Churches are in full communion with each other, but not with the Eastern Orthodox Church or any other churches. Like Catholics or Eastern Orthodox, the Oriental Orthodox Churches includes several self-governing churches. Slow dialogue towards restoring communion between the Eastern and Oriental Orthodox groups was renewed in the mid-20th century, and dialogue is also underway between Oriental Orthodoxy and the Catholic Church and others. In 2017, the mutual recognition of baptism was restored between the Coptic Orthodox Church of Alexandria and the Catholic Church. Also baptism is mutually recognized between the Armenian Apostolic Church and the Catholic Church.
The Oriental Orthodox Churches are generally considered to be more conservative with regard to social issues. All Oriental Orthodox Churches are members of the World Council of Churches.

## History
### Post-Chalcedon (AD 451)

To the hierarchs who would lead the Oriental Orthodox, the description of Christ as "one person in two natures" was tantamount to accepting Nestorianism, which expressed itself in a terminology incompatible with their understanding of Christology. Nestorianism was understood as seeing Christ in two separate natures, human and divine, each with different actions and experiences; in contrast Cyril of Alexandria advocated the formula "One Nature of God the Incarnate Logos" (or as others translate, "One Incarnate Nature of the Word").
The Oriental Orthodox Churches were therefore often called "monophysite", although they reject this label, as it is associated with Eutychian monophysitism; they prefer the term "miaphysite".
In the years following Chalcedon the patriarchs of Constantinople intermittently remained in communion with the non-Chalcedonian patriarchs of Alexandria and Antioch (see Henotikon), while Rome remained out of communion with the latter and in unstable communion with Constantinople. It was not until 518 that the new Byzantine Emperor, Justin I (who accepted Chalcedon), demanded that the church in the Roman Empire accept the council's decisions.

### 20th century

Ecumenical dialogue increased in the 20th century, and from several meetings between the authorities of the Holy See and the Oriental Orthodox, reconciling declarations emerged in the common statement of Syriac Patriarch Mar Ignatius Zakka I Iwas and the Roman Pope John Paul II in 1984:
   The confusions and schisms that occurred between their Churches in the later centuries, they realize today, in no way affect or touch the substance of their faith, since these arose only because of differences in terminology and culture and in the various formulae adopted by different theological schools to express the same matter. Accordingly, we find today no real basis for the sad divisions and schisms that subsequently arose between us concerning the doctrine of Incarnation. In words and life we confess the true doctrine concerning Christ our Lord, notwithstanding the differences in interpretation of such a doctrine which arose at the time of the Council of Chalcedon.
However, despite the progress made in ecumenical dialogue, many Oriental Orthodox authorities like Pope Shenouda III remained skeptical about the Chalcedonian churches, continuing to view their Christology as Nestorian.

## Organization

The Oriental Orthodox Churches are a communion of six autocephalous (that is, administratively completely independent) regional churches.
Below is a list of the six autocephalous Oriental Orthodox churches forming the main body of Oriental Orthodox Christianity. Based on the definitions, the list is in the alphabetical order, with some of their constituent autonomous churches and exarchates listed as well.
* Alexandrian Rite
** Coptic Orthodox Church of Alexandria
*** French Coptic Orthodox Church
** Ethiopian Orthodox Tewahedo Church
** Eritrean Orthodox Tewahedo Church
* Syro-Antiochene Rite
** Syriac Orthodox Church of Antioch
*** Jacobite Syrian Christian Church
** Malankara Orthodox Syrian Church
* Armenian Rite, represented by the Armenian Apostolic Church
** Mother See of Holy Etchmiadzin
*** Armenian Patriarchate of Constantinople
*** Armenian Patriarchate of Jerusalem
** Holy See of Cilicia
There are a number of churches considered non-canonical, but whose members and clergy may or may not be in communion with the greater Oriental Orthodox communion. Examples include the Malabar Independent Syrian Church, the Celtic Orthodox Church, the Orthodox Church of the Gauls, the British Orthodox Church, and the Tigrayan Orthodox Tewahedo Church. These organizations have passed in and out of official recognition, but members rarely face excommunication when recognition is ended. The primates of these churches are typically referred to as episcopi vagantes or vagantes in short.

### Adherents

According to the Encyclopedia of Religion, Oriental Orthodoxy is the Christian tradition "most important in terms of the number of faithful living in the Middle East", which, along with other Eastern Christian communions, represent an autochthonous Christian presence whose origins date further back than the birth and spread of Islam in the Middle East.
As of 2011, it was the dominant religion in Armenia (94%) and ethnically Armenian unrecognized Nagorno-Karabakh Republic (95%). However, almost the entire Armenian population of Nagorno-Karabakh fled in 2023 after an Azerbaijani offensive retook it.
Oriental Orthodoxy is a prevailing religion in Ethiopia (43.1%), while Protestants account for 19.4% and Islam – 34.1%. It is most widespread in two regions in Ethiopia: Amhara (82%) and Tigray (96%), as well as the capital city of Addis Ababa (75%). It is also one of two major religions in Eritrea (40%).
It is a minority in Egypt (<20%), Syria (2–3% out of the 10% of total Christians), Lebanon (10% of the 40% of Christians in Lebanon or 200,000 Armenians and members of the Church of the East) and Kerala, India (7% out of the 20% of total Christians in Kerala). In terms of total number of members, the Ethiopian Church is the largest of all Oriental Orthodox churches, and is second among all Orthodox churches among Eastern and Oriental Churches (exceeded in number only by the Russian Orthodox Church).
Also of particular importance are the Armenian Patriarchate of Constantinople in Turkey and the Armenian Apostolic Church of Iran. These Oriental Orthodox churches represent the largest Christian minority in both of these predominantly Muslim countries, Turkey and Iran.

## Theology and ecclesiology

The Oriental Orthodox Churches are distinguished by their recognition of only the first three ecumenical councils during the period of the state church of the Roman Empire: the First Council of Nicaea in 325, the First Council of Constantinople in 381 and the Council of Ephesus in 431.
Oriental Orthodoxy shares much theology and many ecclesiastical traditions with the Eastern Orthodox Church; these include a similar doctrine of salvation and a tradition of collegiality between bishops, as well as reverence of the Theotokos and use of the Nicene Creed.
The primary theological difference between the two communions is the differing Christology. Oriental Orthodoxy rejects the Chalcedonian Definition, and instead adopts the miaphysite formula, believing that the human and divine natures of Christ are united in one Incarnate Nature. Historically, the early prelates of the Oriental Orthodox Churches thought that the Chalcedonian Definition implied a possible repudiation of the Trinity or a concession to Nestorianism.
The break in communion between the imperial Roman and Oriental Orthodox Churches did not occur suddenly, but rather gradually over two to three centuries following the Council of Chalcedon. Eventually the two communions developed separate institutions, and the Oriental Orthodox did not participate in any of the later ecumenical councils.
The Oriental Orthodox Churches maintain ancient apostolic succession and the historic episcopacy. The various churches are governed by holy synods, with a primus inter pares bishop serving as primate. The primates hold titles such as patriarch, catholicos, and pope. The Alexandrian Patriarchate, the Antiochian Patriarchate along with Patriarchate of Rome, was one of the most prominent sees of the early Christian Church.
Oriental Orthodoxy does not have a magisterial leader like the Catholic Church, nor does the communion have a leader who can convene ecumenical synods like the Eastern Orthodox Church. Meanwhile its ecumenical dialogues and internal church relations are led by the Standing Conference of Oriental Orthodox Churches, which acts as the permanent representative council of its member churches.

### Christology

The schism between Oriental Orthodoxy and the adherents of Chalcedonian Christianity was based on differences in Christology. The First Council of Nicaea, in 325, declared that Jesus Christ is God, that is to say, "consubstantial" with the Father. Later, the third ecumenical council, the Council of Ephesus, declared that Jesus Christ, though divine as well as human, is only one being, or person (hypostasis). Thus, the Council of Ephesus explicitly rejected Nestorianism, the Christological doctrine that Christ was two distinct persons, one divine (the Logos) and one human (Jesus), who happened to inhabit the same body.
Twenty years after Ephesus, the Council of Chalcedon reaffirmed the view that Jesus Christ was a single person, but at the same time declared that this one person existed "in two complete natures", one human and one divine.
At times, Chalcedonian Christians have referred to the Oriental Orthodox as being monophysites—that is to say, accusing them of following the teachings of Eutyches (c. 380 – c. 456), who argued that Jesus Christ was not human at all, but only divine. Monophysitism was condemned as heretical alongside Nestorianism, and to accuse a church of being monophysite is to accuse it of falling into the opposite extreme from Nestorianism. However, the Oriental Orthodox themselves reject this description as inaccurate, having officially condemned the teachings of both Nestorius and Eutyches. They define themselves as miaphysite instead, holding that Christ has one nature, but this nature is both human and divine.

### Worship

Oriental Orthodox Christians, such as Copts, Syrians and Indians, use a breviary such as the Agpeya and Shehimo, respectively, to pray the canonical hours seven times a day while facing in the eastward direction towards Jerusalem, in anticipation of the Second Coming of Jesus; this Christian practice has its roots in Psalm 119:164, in which the prophet David prays to God seven times a day.
Before praying, they wash their hands and face in order to be clean before and to present their best to God; shoes are removed in order to acknowledge that one is offering prayer before a holy God. In this Christian tradition, it is customary for women to wear a Christian headcovering when praying.
Some Oriental Orthodox Churches such as the Coptic Orthodox, Ethiopian Orthodox, and Eritrean Orthodox, also place a heavier emphasis on Old Testament teachings than one might find in other Christian denominations, and its followers adhere to certain practices: following dietary rules that are similar to Jewish Kashrut, require that their male members undergo circumcision, and observes ritual purification. The Oriental Orthodox Churches also maintain differing compilations of the biblical canon including the Peshitta, Coptic and Orthodox Tewahedo canons, and the Armenian canon.

## Occasional confusions

The Assyrian Church of the East is sometimes incorrectly described as an Oriental Orthodox church, though its origins lie in disputes that predated the Council of Chalcedon and it follows a different Christology from Oriental Orthodoxy. The historical Church of the East was the church of Greater Iran and declared itself separate from the state church of the Roman Empire in 424–27, years before the Ecumenical Councils of Ephesus and Chalcedon. Theologically, the Church of the East was affiliated with the doctrine of Nestorianism, and thus rejected the Council of Ephesus, which declared Nestorianism heretical in 431. The Christology of the Oriental Orthodox Churches in fact developed as a reaction against Nestorian Christology, which emphasizes the distinctness of the human and divine natures of Christ.