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The Church of the East ( syc, ܥܕܬܐ ܕܡܕܢܚܐ, ''ʿĒḏtā d-Maḏenḥā'') or the East Syriac Church, also called the Church of Seleucia-Ctesiphon, the Persian Church, the Assyrian Church, the Babylonian Church or the Nestorian Church, was an Eastern Christian church of the
East Syriac Rite The East Syriac Rite or East Syrian Rite, also called the Edessan Rite, Assyrian Rite, Persian Rite, Chaldean Rite, Nestorian Rite, Babylonian Rite or Syro-Oriental Rite, is an Eastern Christian liturgical rite that employs the Divine Liturg ...
, based in
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
. It was one of three major branches of Eastern Christianity that arose from the Christological controversies of the 5th and
6th 6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number. In mathematics Six is the smallest positive integer which is neither a square number nor a prime number; it is the second ...
centuries, alongside the
Oriental Orthodox Churches The Oriental Orthodox Churches are Eastern Christian churches adhering to Miaphysite Christology, with approximately 60 million members worldwide. The Oriental Orthodox Churches are part of the Nicene Christian tradition, and represen ...
and the Chalcedonian Church. During the early modern period, a series of
schisms A schism ( , , or, less commonly, ) is a division between people, usually belonging to an organization, movement, or religious denomination. The word is most frequently applied to a split in what had previously been a single religious body, suc ...
gave rise to rival patriarchates, sometimes two, sometimes three. Since the latter half of the 20th century, three churches in
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
claim the heritage of the Church of the East. Meanwhile, the East Syriac churches in India claim the heritage of the Church of the East in India. The Church of the East organized itself in 410 as the national church of the
Sasanian Empire The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...
through the Council of Seleucia-Ctesiphon. In 424 it declared itself independent of the state church of the Roman Empire. The Church of the East was headed by the
Catholicose of the East The Patriarch of the Church of the East (also known as Patriarch of the East, Patriarch of Babylon, the Catholicose of the East or the Grand Metropolitan of the East) is the patriarch, or leader and head bishop (sometimes referred to as Catholic ...
seated in Seleucia-Ctesiphon, continuing a line that, according to its tradition, stretched back to the
Apostolic Age Christianity in the 1st century covers the formative history of Christianity from the start of the ministry of Jesus (–29 AD) to the death of the last of the Twelve Apostles () and is thus also known as the Apostolic Age. Early Christianity ...
. According to its tradition, the Church of the East was established by
Thomas the Apostle Thomas the Apostle ( arc, 𐡀𐡌𐡅𐡕𐡌, hbo, תוֹמא הקדוש or תוֹמָא שליחא (''Toma HaKadosh'' "Thomas the Holy" or ''Toma Shlikha'' "Thomas the Messenger/Apostle" in Hebrew-Aramaic), syc, ܬܐܘܡܐ, , meaning "twi ...
in the first century. Its liturgical rite was the East Syrian rite that employs the Divine Liturgy of Saints Addai and Mari. The Church of the East, which was part of the
Great Church The term "Great Church" ( la, ecclesia magna) is used in the historiography of early Christianity to mean the period of about 180 to 313, between that of primitive Christianity and that of the legalization of the Christian religion in the Roman ...
, shared communion with those in the
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
until the
Council of Ephesus The Council of Ephesus was a council of Christian bishops convened in Ephesus (near present-day Selçuk in Turkey) in AD 431 by the Roman Emperor Theodosius II. This third ecumenical council, an effort to attain consensus in the church t ...
condemned Nestorius in 431. Supporters of Nestorius took refuge in Sasanian Persia, where the Church refused to condemn Nestorius and became accused of
Nestorianism Nestorianism is a term used in Christian theology and Church history to refer to several mutually related but doctrinarily distinct sets of teachings. The first meaning of the term is related to the original teachings of Christian theologian ...
, a heresy incorrectly attributed to Nestorius. It was therefore called the Nestorian Church by all the other Eastern churches, both Chalcedonian and
non-Chalcedonian Non-Chalcedonian Christianity comprises the branches of Christianity that do not accept theological resolutions of the Council of Chalcedon, the Fourth Ecumenical Council, held in 451. Non-Chalcedonian denominations reject the Christologica ...
, and by the Western Church. Politically the Sassanian and Roman empires were at war with each other, which forced the Church of the East to distance itself from the churches within Roman territory. More recently, the "Nestorian" appellation has been called "a lamentable misnomer", and theologically incorrect by scholars. However, the Church of the East started to call itself Nestorian, it anathematized the Council of Ephesus, and in its liturgy Nestorius was mentioned as a saint. In 544, the general Council of the Church of the East approved the
Council of Chalcedon The Council of Chalcedon (; la, Concilium Chalcedonense), ''Synodos tēs Chalkēdonos'' was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, B ...
at the Synod of Mar Aba I in 544. Continuing as a ''
dhimmi ' ( ar, ذمي ', , collectively ''/'' "the people of the covenant") or () is a historical term for non-Muslims living in an Islamic state with legal protection. The word literally means "protected person", referring to the state's obligatio ...
'' community under the Sunni Caliphate after the
Muslim conquest of Persia The Muslim conquest of Persia, also known as the Arab conquest of Iran, was carried out by the Rashidun Caliphate from 633 to 654 AD and led to the fall of the Sasanian Empire as well as the eventual decline of the Zoroastrian religion. The ...
(633–654), the Church of the East played a major role in the history of Christianity in Asia. Between the 9th and 14th centuries, it represented the world's largest
Christian denomination A Christian denomination is a distinct Religion, religious body within Christianity that comprises all Church (congregation), church congregations of the same kind, identifiable by traits such as a name, particular history, organization, leadersh ...
in terms of geographical extent. It established dioceses and communities stretching from the
Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on ...
and today's Iraq and
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
, to
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
(the Saint Thomas Syrian Christians of
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South Ca ...
), the Mongol kingdoms in Central Asia, and
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
during the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
(7th–9th centuries). In the 13th and 14th centuries, the church experienced a final period of expansion under the
Mongol Empire The Mongol Empire of the 13th and 14th centuries was the largest contiguous land empire in history. Originating in present-day Mongolia in East Asia, the Mongol Empire at its height stretched from the Sea of Japan to parts of Eastern Europe, ...
, where influential Church of the East clergy sat in the Mongol court. Even before the Church of the East underwent a rapid decline in its field of expansion in
Central Asia Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the fo ...
in the 14th century, it had already lost ground in its home territory. The decline is indicated by the shrinking list of active dioceses. Around the year 1000, there were more than sixty dioceses throughout the Near East, but by the middle of the 13th century there were about twenty, and after
Timur Leng Timur ; chg, ''Aqsaq Temür'', 'Timur the Lame') or as ''Sahib-i-Qiran'' ( 'Lord of the Auspicious Conjunction'), his epithet. ( chg, ''Temür'', 'Iron'; 9 April 133617–19 February 1405), later Timūr Gurkānī ( chg, ''Temür Kür ...
the number was further reduced to seven only. In the aftermath of the division of the Mongol Empire, the rising Chinese and Islamic Mongol leaderships pushed out and nearly eradicated the Church of the East and its followers. Thereafter, Church of the East dioceses remained largely confined to Upper Mesopotamia and to the Saint Thomas Syrian Christians in the
Malabar Coast The Malabar Coast is the southwestern coast of the Indian subcontinent. Geographically, it comprises the wettest regions of southern India, as the Western Ghats intercept the moisture-laden monsoon rains, especially on their westward-facing ...
(modern-day
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South Ca ...
, India). Divisions occurred within the church itself, but by 1830 two unified patriarchates and distinct churches remained: the
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
and the
Chaldean Catholic Church , native_name_lang = syc , image = Assyrian Church.png , imagewidth = 200px , alt = , caption = Cathedral of Our Lady of Sorrows Baghdad, Iraq , abbreviation = , type ...
(an
Eastern Catholic Church The Eastern Catholic Churches or Oriental Catholic Churches, also called the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous ('' sui iuris'') particular churches of ...
in communion with the
Holy See The Holy See ( lat, Sancta Sedes, ; it, Santa Sede ), also called the See of Rome, Petrine See or Apostolic See, is the jurisdiction of the Pope in his role as the bishop of Rome. It includes the apostolic episcopal see of the Diocese of R ...
). The Ancient Church of the East split from the Assyrian Church of the East in 1968. In 2017, the Chaldean Catholic Church had approximately 628,405 members and the Assyrian Church of the East had 323,300 to 380,000, while the Ancient Church of the East had 100,000.


Background

The Church of the East's declaration in 424 of the independence of its head, the
Patriarch of the East The Patriarch of the Church of the East (also known as Patriarch of the East, Patriarch of Babylon, the Catholicose of the East or the Grand Metropolitan of the East) is the patriarch, or leader and head bishop (sometimes referred to as Catholic ...
, preceded by seven years the 431
Council of Ephesus The Council of Ephesus was a council of Christian bishops convened in Ephesus (near present-day Selçuk in Turkey) in AD 431 by the Roman Emperor Theodosius II. This third ecumenical council, an effort to attain consensus in the church t ...
, which condemned Nestorius and declared that
Mary, mother of Jesus Mary; arc, ܡܪܝܡ, translit=Mariam; ar, مريم, translit=Maryam; grc, Μαρία, translit=María; la, Maria; cop, Ⲙⲁⲣⲓⲁ, translit=Maria was a first-century Jews, Jewish woman of Nazareth, the wife of Saint Joseph, Jose ...
, can be described as
Mother of God ''Theotokos'' ( Greek: ) is a title of Mary, mother of Jesus, used especially in Eastern Christianity. The usual Latin translations are ''Dei Genitrix'' or '' Deipara'' (approximately "parent (fem.) of God"). Familiar English translations ar ...
. Two of the generally accepted ecumenical councils were held earlier: the First Council of Nicaea, in which a Persian bishop took part, in 325, and the First Council of Constantinople in 381. The Church of the East accepted the teaching of these two councils, but ignored the 431 Council and those that followed, seeing them as concerning only the patriarchates of the
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
(
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
,
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...
,
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
,
Antioch Antioch on the Orontes (; grc-gre, Ἀντιόχεια ἡ ἐπὶ Ὀρόντου, ''Antiókheia hē epì Oróntou'', Learned ; also Syrian Antioch) grc-koi, Ἀντιόχεια ἡ ἐπὶ Ὀρόντου; or Ἀντιόχεια ἡ ἐπ� ...
,
Jerusalem Jerusalem (; he, יְרוּשָׁלַיִם ; ar, القُدس ) (combining the Biblical and common usage Arabic names); grc, Ἱερουσαλήμ/Ἰεροσόλυμα, Hierousalḗm/Hierosóluma; hy, Երուսաղեմ, Erusałēm. i ...
), all of which were for it "''Western'' Christianity".
Theologically Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is taught as an academic discipline, typically in universities and seminaries. It occupies itself with the unique content of analyzing the ...
, the Church of the East adopted dyophysite doctrine of Theodore of Mopsuestia that emphasised the "distinctiveness" of the divine and the human natures of
Jesus Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label= Hebrew/ Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and relig ...
. But this doctrine was misleadingly labelled as 'Nestorian' by its theological opponents. In the 6th century and thereafter, the Church of the East expanded greatly, establishing communities in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
(the Saint Thomas Syrian Christians), among the
Mongols The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal member ...
in Central Asia, and in
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
, which became home to a thriving community under the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
from the 7th to the 9th century. At its height, between the 9th and 14th centuries, the Church of the East was the world's largest Christian church in geographical extent, with dioceses stretching from its heartland in Upper Mesopotamia to the
Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on ...
and as far afield as
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
,
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million ...
,
Central Asia Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the fo ...
,
Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...
, the
Arabian Peninsula The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Plat ...
and
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
. From its peak of geographical extent, the church entered a period of rapid decline that began in the 14th century, due largely to outside influences. The Chinese
Ming dynasty The Ming dynasty (), officially the Great Ming, was an Dynasties in Chinese history, imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming dynasty was the last ort ...
overthrew the Mongols (1368) and ejected Christians and other foreign influences from China, and many Mongols in Central Asia converted to
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God (or '' Allah'') as it was revealed to Muhammad, the ...
. The Muslim Turco-Mongol leader
Timur Timur ; chg, ''Aqsaq Temür'', 'Timur the Lame') or as ''Sahib-i-Qiran'' ( 'Lord of the Auspicious Conjunction'), his epithet. ( chg, ''Temür'', 'Iron'; 9 April 133617–19 February 1405), later Timūr Gurkānī ( chg, ''Temür Kü ...
(1336–1405) nearly eradicated the remaining Christians in the Middle East. Nestorian Christianity remained largely confined to communities in Upper Mesopotamia and the Saint Thomas Syrian Christians of the
Malabar Coast The Malabar Coast is the southwestern coast of the Indian subcontinent. Geographically, it comprises the wettest regions of southern India, as the Western Ghats intercept the moisture-laden monsoon rains, especially on their westward-facing ...
in the
Indian subcontinent The Indian subcontinent is a physiographical region in Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian Ocean from the Himalayas. Geopolitically, it includes the countries of Bangladesh, Bhutan, In ...
. In the early modern period, the
schism of 1552 The schism of 1552 was an important event in the history of the Church of the East. It divided the church into two factions, of which one entered into communion with Rome becoming part of the Catholic Church at this time and the other remained in ...
led to a series of internal divisions and ultimately to its branching into three separate churches: the
Chaldean Catholic Church , native_name_lang = syc , image = Assyrian Church.png , imagewidth = 200px , alt = , caption = Cathedral of Our Lady of Sorrows Baghdad, Iraq , abbreviation = , type ...
, in
full communion Full communion is a communion or relationship of full agreement among different Christian denominations that share certain essential principles of Christian theology. Views vary among denominations on exactly what constitutes full communion, but ...
with the
Holy See The Holy See ( lat, Sancta Sedes, ; it, Santa Sede ), also called the See of Rome, Petrine See or Apostolic See, is the jurisdiction of the Pope in his role as the bishop of Rome. It includes the apostolic episcopal see of the Diocese of R ...
, and the independent
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
and Ancient Church of the East.


Description as Nestorian

Nestorianism Nestorianism is a term used in Christian theology and Church history to refer to several mutually related but doctrinarily distinct sets of teachings. The first meaning of the term is related to the original teachings of Christian theologian ...
is a Christological doctrine that emphasises the distinction between the human and divine natures of
Jesus Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label= Hebrew/ Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and relig ...
. It was attributed to Nestorius,
Patriarch of Constantinople The ecumenical patriarch ( el, Οἰκουμενικός Πατριάρχης, translit=Oikoumenikós Patriárchēs) is the archbishop of Constantinople (Istanbul), New Rome and '' primus inter pares'' (first among equals) among the heads of th ...
from 428 to 431, whose doctrine represented the culmination of a philosophical current developed by scholars at the School of Antioch, most notably Nestorius's mentor Theodore of Mopsuestia, and stirred controversy when Nestorius publicly challenged the use of the title '' Theotokos'' (literally, "Bearer of God") for
Mary, mother of Jesus Mary; arc, ܡܪܝܡ, translit=Mariam; ar, مريم, translit=Maryam; grc, Μαρία, translit=María; la, Maria; cop, Ⲙⲁⲣⲓⲁ, translit=Maria was a first-century Jews, Jewish woman of Nazareth, the wife of Saint Joseph, Jose ...
, suggesting that the title denied Christ's full humanity. He argued that Jesus had two loosely joined natures, the divine
Logos ''Logos'' (, ; grc, λόγος, lógos, lit=word, discourse, or reason) is a term used in Western philosophy, psychology and rhetoric and refers to the appeal to reason that relies on logic or reason, inductive and deductive reasoning. Aris ...
and the human Jesus, and proposed '' Christotokos'' (literally, "Bearer of the Christ") as a more suitable alternative title. His statements drew criticism from other prominent churchmen, particularly from
Cyril Cyril (also Cyrillus or Cyryl) is a masculine given name. It is derived from the Greek name Κύριλλος (''Kýrillos''), meaning 'lordly, masterful', which in turn derives from Greek κυριος (''kýrios'') 'lord'. There are various varian ...
, Patriarch of Alexandria, who had a leading part in the
Council of Ephesus The Council of Ephesus was a council of Christian bishops convened in Ephesus (near present-day Selçuk in Turkey) in AD 431 by the Roman Emperor Theodosius II. This third ecumenical council, an effort to attain consensus in the church t ...
of 431, which condemned Nestorius for
heresy Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. The term is usually used in reference to violations of important relig ...
and deposed him as Patriarch. After 431, the state authorities in the Roman Empire suppressed Nestorianism, a reason for Christians under Persian rule to favour it and so allay suspicion that their loyalty lay with the hostile Christian-ruled empire."Nestorius"
''Encyclopædia Britannica''. Retrieved 11 November 2018.
It was in the aftermath of the slightly later
Council of Chalcedon The Council of Chalcedon (; la, Concilium Chalcedonense), ''Synodos tēs Chalkēdonos'' was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, B ...
(451), that the Church of the East formulated a distinctive theology. The first such formulation was adopted at the Synod of Beth Lapat in 484. This was developed further in the early seventh century, when in an at first successful war against the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
the Sasanid Persian Empire incorporated broad territories populated by West Syrians, many of whom were supporters of the miaphysite theology of
Oriental Orthodoxy The Oriental Orthodox Churches are Eastern Christian churches adhering to Miaphysite Christology, with approximately 60 million members worldwide. The Oriental Orthodox Churches are part of the Nicene Christian tradition, and represent ...
which its opponents term "Monophysitism" ( Eutychianism), the theological view most opposed to Nestorianism. They received support from
Khosrow II Khosrow II (spelled Chosroes II in classical sources; pal, 𐭧𐭥𐭮𐭫𐭥𐭣𐭩, Husrō), also known as Khosrow Parviz (New Persian: , "Khosrow the Victorious"), is considered to be the last great Sasanian king (shah) of Iran, ruling fr ...
, influenced by his wife Shirin. Shirin was a member of the Church of East, but later joined the miaphysite church of Antioch. Drawing inspiration from Theodore of Mopsuestia,
Babai the Great Babai the Great ( , c. 551 – 628) was an early church father of the Church of the East. He set several of the foundational pillars of the Church, revived the monastic movement, and formulated its Christology in a systematic way. He served as a ...
(551−628) expounded, especially in his ''Book of Union'', what became the normative
Christology In Christianity, Christology (from the Greek grc, Χριστός, Khristós, label=none and grc, -λογία, -logia, label=none), translated literally from Greek as "the study of Christ", is a branch of theology that concerns Jesus. Diff ...
of the Church of the East. He affirmed that the two (a Syriac term, plural of ''qnoma'', not corresponding precisely to Greek φύσις or οὐσία or ὑπόστασις) of Christ are unmixed but eternally united in his single (from Greek πρόσωπον ''
prosopon Prosopon (, ;"prosopon"
'' physis'') and ὐπόστασις ('' hypostasis''), these Syriac words were sometimes taken to mean something other than what was intended; in particular "two " was interpreted as "two individuals". Previously, the Church of the East accepted a certain fluidity of expressions, always within a dyophysite theology, but with Babai's assembly of 612, which canonically sanctioned the "two in Christ" formula, a final christological distinction was created between the Church of the East and the "western" Chalcedonian churches. The justice of imputing Nestorianism to Nestorius, whom the Church of the East venerated as a saint, is disputed. David Wilmshurst states that for centuries "the word 'Nestorian' was used both as a term of abuse by those who disapproved of the traditional East Syrian theology, as a term of pride by many of its defenders ..and as a neutral and convenient descriptive term by others. Nowadays it is generally felt that the term carries a stigma". Sebastian P. Brock says: "The association between the Church of the East and Nestorius is of a very tenuous nature, and to continue to call that church 'Nestorian' is, from a historical point of view, totally misleading and incorrect – quite apart from being highly offensive and a breach of ecumenical good manners". Apart from its religious meaning, the word "Nestorian" has also been used in an ethnic sense, as shown by the phrase "Catholic Nestorians". In his 1996 article, "The 'Nestorian' Church: a lamentable misnomer", published in the '' Bulletin of the John Rylands Library'', Sebastian Brock, a
Fellow of the British Academy Fellowship of the British Academy (FBA) is an award granted by the British Academy to leading academics for their distinction in the humanities and social sciences. The categories are: # Fellows – scholars resident in the United Kingdom # ...
, lamented the fact that "the term 'Nestorian Church' has become the standard designation for the ancient oriental church which in the past called itself 'The Church of the East', but which today prefers a fuller title 'The Assyrian Church of the East'. Such a designation is not only discourteous to modern members of this venerable church, but also − as this paper aims to show − both inappropriate and misleading".


Organisation and structure

At the Council of Seleucia-Ctesiphon in 410, the Church of the East was declared to have at its head the bishop of the Persian capital Seleucia-Ctesiphon, who in the acts of the council was referred to as the Grand or Major Metropolitan, and who soon afterward was called the Catholicos of the East. Later, the title of
Patriarch The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in c ...
was used. The Church of the East had, like other churches, an
ordained Ordination is the process by which individuals are consecrated, that is, set apart and elevated from the laity class to the clergy, who are thus then authorized (usually by the denominational hierarchy composed of other clergy) to perform ...
clergy in the three traditional orders of
bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ...
,
priest A priest is a religious leader authorized to perform the sacred rituals of a religion, especially as a mediatory agent between humans and one or more deities. They also have the authority or power to administer religious rites; in partic ...
(or presbyter), and
deacon A deacon is a member of the diaconate, an office in Christian churches that is generally associated with service of some kind, but which varies among theological and denominational traditions. Major Christian churches, such as the Catholic Chur ...
. Also like other churches, it had an
episcopal polity An episcopal polity is a hierarchical form of church governance ("ecclesiastical polity") in which the chief local authorities are called bishops. (The word "bishop" derives, via the British Latin and Vulgar Latin term ''*ebiscopus''/''*bis ...
: organisation by
diocese In church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided provinces were administratively associ ...
s, each headed by a bishop and made up of several individual
parish A parish is a territorial entity in many Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest, often termed a parish priest, who might be assisted by one or ...
communities overseen by priests. Dioceses were organised into provinces under the authority of a
metropolitan bishop In Christian churches with episcopal polity, the rank of metropolitan bishop, or simply metropolitan (alternative obsolete form: metropolite), pertains to the diocesan bishop or archbishop of a metropolis. Originally, the term referred to the ...
. The office of metropolitan bishop was an important one, coming with additional duties and powers; canonically, only metropolitans could consecrate a patriarch. The Patriarch also has the charge of the Province of the Patriarch. For most of its history the church had six or so Interior Provinces. In 410, these were listed in the hierarchical order of: Seleucia-Ctesiphon (central Iraq), Beth Lapat (western Iran),
Nisibis Nusaybin (; '; ar, نُصَيْبِيْن, translit=Nuṣaybīn; syr, ܢܨܝܒܝܢ, translit=Nṣībīn), historically known as Nisibis () or Nesbin, is a city in Mardin Province, Turkey. The population of the city is 83,832 as of 2009 and is ...
(on the border between Turkey and Iraq), Prat de Maishan (Basra, southern Iraq), Arbela (Erbil, Kurdistan region of Iraq), and Karka de Beth Slokh (Kirkuk, northeastern Iraq). In addition it had an increasing number of Exterior Provinces further afield within the Sasanian Empire and soon also beyond the empire's borders. By the 10th century, the church had between 20"Nestorian"
''Encyclopædia Britannica''. Retrieved January 28, 2010.
and 30 metropolitan provinces. According to John Foster, in the 9th century there were 25 metropolitans including those in China and India. The Chinese provinces were lost in the 11th century, and in the subsequent centuries other exterior provinces went into decline as well. However, in the 13th century, during the Mongol Empire, the church added two new metropolitan provinces in
North China North China, or Huabei () is a geographical region of China, consisting of the provinces of Beijing, Tianjin, Hebei, Shanxi and Inner Mongolia. Part of the larger region of Northern China (''Beifang''), it lies north of the Qinling–Hu ...
, Tangut and Katai and Ong.


Scriptures

The
Peshitta The Peshitta ( syc, ܦܫܺܝܛܬܳܐ ''or'' ') is the standard version of the Bible for churches in the Syriac tradition, including the Maronite Church, the Chaldean Catholic Church, the Syriac Catholic Church, the Syriac Orthodox Church, ...
, in some cases lightly revised and with missing books added, is the standard
Syriac Bible Syriac is a dialect of Aramaic. Portions of the Old Testament were written in Aramaic and there are Aramaic phrases in the New Testament. Syriac translations of the New Testament were among the first and date from the 2nd century. The whole Bible ...
for churches in the Syriac tradition: the
Syriac Orthodox Church , native_name_lang = syc , image = St_George_Syriac_orthodox_church_in_Damascus.jpg , imagewidth = 250 , alt = Cathedral of Saint George , caption = Cathedral of Saint George, Damascus ...
, the Syrian Catholic Church, the
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
, the Ancient Church of the East, the
Chaldean Catholic Church , native_name_lang = syc , image = Assyrian Church.png , imagewidth = 200px , alt = , caption = Cathedral of Our Lady of Sorrows Baghdad, Iraq , abbreviation = , type ...
, the
Maronites The Maronites ( ar, الموارنة; syr, ܡܖ̈ܘܢܝܐ) are a Christian ethnoreligious group native to the Eastern Mediterranean and Levant region of the Middle East, whose members traditionally belong to the Maronite Church, with the lar ...
, the
Malankara Orthodox Syrian Church The Malankara Orthodox Syrian Church (MOSC) also known as the Indian Orthodox Church (IOC) or simply as the Malankara Church, is an autocephalous Oriental Orthodox church headquartered in Devalokam, near Kottayam, India. The church serve ...
, the
Syro-Malabar Catholic Church lat, Ecclesia Syrorum-Malabarensium mal, മലബാറിലെ സുറിയാനി സഭ , native_name_lang=, image = St. Thomas' Cross (Chennai, St. Thomas Mount).jpg , caption = The Mar Thoma Nasrani Sl ...
and the
Syro-Malankara Catholic Church The Syro-Malankara Catholic Church, also known as the Malankara Syrian Catholic Church, is an Eastern Catholic '' sui iuris'' particular church in full communion with the worldwide Catholic Church possessing self-governance under the Code of ...
. The
Old Testament The Old Testament (often abbreviated OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible or Tanakh, a collection of ancient religious Hebrew writings by the Israelites. The ...
of the Peshitta was translated from
Hebrew Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved ...
, although the date and circumstances of this are not entirely clear. The translators may have been Syriac-speaking Jews or early Jewish converts to Christianity. The translation may have been done separately for different texts, and the whole work was probably done by the second century. Most of the deuterocanonical books of the Old Testament are found in the Syriac, and the
Wisdom of Sirach The Book of Sirach () or Ecclesiasticus (; abbreviated Ecclus.) is a Jewish work, originally in Hebrew, of ethical teachings, from approximately 200 to 175 BC, written by the Judahite scribe Ben Sira of Jerusalem, on the inspiration of his fa ...
is held to have been translated from the
Hebrew Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved ...
and not from the
Septuagint The Greek Old Testament, or Septuagint (, ; from the la, septuaginta, lit=seventy; often abbreviated ''70''; in Roman numerals, LXX), is the earliest extant Greek translation of books from the Hebrew Bible. It includes several books beyond t ...
. The
New Testament The New Testament grc, Ἡ Καινὴ Διαθήκη, transl. ; la, Novum Testamentum. (NT) is the second division of the Christian biblical canon. It discusses the teachings and person of Jesus, as well as events in first-century Chris ...
of the Peshitta, which originally excluded certain disputed books (
Second Epistle of Peter The Second Epistle of Peter is a book of the New Testament of the Bible. The text identifies the author as "Simon Peter, a bondservant and apostle of Jesus Christ" and the epistle is traditionally attributed to Peter the Apostle, but most crit ...
, Second Epistle of John, Third Epistle of John,
Epistle of Jude The Epistle of Jude is the penultimate book of the New Testament as well as the Christian Bible. It is traditionally attributed to Jude, brother of James the Just, and thus possibly brother of Jesus as well. Jude is a short epistle written in ...
,
Book of Revelation The Book of Revelation is the final book of the New Testament (and consequently the final book of the Christian Bible). Its title is derived from the first word of the Koine Greek text: , meaning "unveiling" or "revelation". The Book of ...
), had become the standard by the early 5th century.


Iconography

It was often said in the 19th century that the Church of the East was opposed to religious images of any kind. The cult of the image was never as strong in the Syriac churches as it was in the Byzantine Church, but they were indeed present in the tradition of the Church of the East. Opposition to religious images eventually became the norm due to the rise of Islam in the region, which forbade any type of depictions of Saints and
biblical prophets In Christianity, the figures widely recognised as Prophet#Christianity, prophets are those mentioned as such in the Old Testament and the New Testament. It is believed that prophets are Chosen people, chosen and Religious calling, called by God. ...
. As such, the Church was forced to get rid of icons. There is both literary and archaeological evidence for the presence of images in the church. Writing in 1248 from
Samarkand fa, سمرقند , native_name_lang = , settlement_type = City , image_skyline = , image_caption = Clockwise from the top:Registan square, Shah-i-Zinda necropolis, Bibi-Khanym Mosque, view inside Shah-i-Zinda, ...
, an
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''O ...
n official records visiting a local church and seeing an image of Christ and the Magi. John of Cora (), Latin bishop of
Sultaniya Soltaniyeh ( fa, سلطانيه, also Romanized as Solţānīyeh, Solţāneyyeh, Sultaniye, and Sultānīyeh; also known as Sa‘īdīyeh; ) is the capital city of Soltaniyeh District of Soltaniyeh County, Zanjan Province, northwestern Iran. At ...
in Persia, writing about 1330 of the East Syrians in
Khanbaliq Khanbaliq or Dadu of Yuan () was the winter capital of the Yuan dynasty of China in what is now Beijing, also the capital of the People's Republic of China today. It was located at the center of modern Beijing. The Secretariat directly admini ...
says that they had 'very beautiful and orderly churches with crosses and images in honour of God and of the saints'. Apart from the references, there is a painting of a Christian figure which was discovered by
Aurel Stein Sir Marc Aurel Stein, ( hu, Stein Márk Aurél; 26 November 1862 – 26 October 1943) was a Hungarian-born British archaeologist, primarily known for his explorations and archaeological discoveries in Central Asia. He was also a professor at ...
at the Library Cave of the Mo-kao Caves in 1908, which is probably an image of Christ. An illustrated 13th-century Nestorian
Peshitta The Peshitta ( syc, ܦܫܺܝܛܬܳܐ ''or'' ') is the standard version of the Bible for churches in the Syriac tradition, including the Maronite Church, the Chaldean Catholic Church, the Syriac Catholic Church, the Syriac Orthodox Church, ...
Gospel book written in Estrangela from northern Mesopotamia or Tur Abdin, currently in the State Library of Berlin, proves that in the 13th century the Church of the East was not yet aniconic. Another Nestorian Gospel manuscript preserved in the
Bibliothèque nationale de France The Bibliothèque nationale de France (, 'National Library of France'; BnF) is the national library of France, located in Paris on two main sites known respectively as ''Richelieu'' and ''François-Mitterrand''. It is the national repository ...
contains an illustration that depicts
Jesus Christ Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label= Hebrew/ Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and relig ...
in the circle of a ringed cross surrounded by four angels. Three Syriac manuscripts from early 19th century or earlier—they were published in a compilation titled '' The Book of Protection'' by Hermann Gollancz in 1912—contain some illustrations of no great artistic worth that show that use of images continued. A life-size male stucco figure discovered in a late-6th-century church in Seleucia-Ctesiphon, beneath which were found the remains of an earlier church, also shows that the Church of the East used figurative representations. File:Museum für Indische Kunst Dahlem Berlin Mai 2006 061.jpg, Palm Sunday procession of Nestorian clergy in a 7th- or 8th-century wall painting from a church in Tang China File:T'ang dynasty Nestorian image of Jesus Christ (Original version).jpg, Fragment of a Christian figure, a late-9th-century silk painting preserved in the
British Museum The British Museum is a public museum dedicated to human history, art and culture located in the Bloomsbury area of London. Its permanent collection of eight million works is among the largest and most comprehensive in existence. It docum ...
. File:Nestorian Peshitta Gospel – Feast of the Discovery of the Cross.jpg, Feast of the Discovery of the
Cross A cross is a geometrical figure consisting of two intersecting lines or bars, usually perpendicular to each other. The lines usually run vertically and horizontally. A cross of oblique lines, in the shape of the Latin letter X, is termed a s ...
, from a 13th-century Nestorian Peshitta Gospel book written in Estrangela, preserved in the SBB. File:Nestorian Peshitta Gospel – Announcement of Jesus’ Resurrection.jpg, An angel announces the resurrection of Christ to Mary and
Mary Magdalene Mary Magdalene (sometimes called Mary of Magdala, or simply the Magdalene or the Madeleine) was a woman who, according to the four canonical gospels, traveled with Jesus as one of his followers and was a witness to his crucifixion and resurre ...
, from the Nestorian Peshitta Gospel. File:Nestorian Peshitta Gospel – Pentecost.jpg, The twelve apostles are gathered around Peter at
Pentecost Pentecost (also called Whit Sunday, Whitsunday or Whitsun) is a Christian holiday which takes place on the 50th day (the seventh Sunday) after Easter Sunday. It commemorates the descent of the Holy Spirit upon the Apostles and other followers ...
, from the Nestorian Peshitta Gospel. File:Cruz de la Iglesia del Oriente («nestoriana»).jpg, Illustration from the Nestorian Evangelion, a Syriac gospel manuscript preserved in the BnF. File:Four Evangelists, Church of the East.jpg, Portraits of the Four Evangelists, from a gospel lectionary according to the Nestorian use.
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
, Iraq, 1499. File:Entry of Jesus Christ into Jerusalem, with a Female Figure in T'ang Costume, Chotscho, Sinkiang.jpg, Drawing of a rider ( Entry into Jerusalem), a lost wall painting from the Nestorian church at
Khocho Khocho (russian: Хочо; sah, Хочо, ''Xoço'') is a rural locality (a '' selo''), the only inhabited locality, and the administrative center of Nakharinsky 2-y Rural Okrug of Megino-Kangalassky District in the Sakha Republic, Russia, loc ...
, 9th century. File:Nestorian Christian Statuette.jpg, Nestorian Christian relic (statuette) from Imperial China File:Piatto con decorazione di castello assediato, arg, samirechye, da bolshoe-anikovskaya, IX-X sec su orig del l'VIII sec.JPG, Anikova Plate, showing the Siege of Jericho. It was probably made in and for a
Sogdia Sogdia ( Sogdian: ) or Sogdiana was an ancient Iranian civilization between the Amu Darya and the Syr Darya, and in present-day Uzbekistan, Turkmenistan, Tajikistan, Kazakhstan, and Kyrgyzstan. Sogdiana was also a province of the Achaemenid Emp ...
n Nestorian Christian community located in
Semirechye Zhetysu, or Jeti-Suu ( kk, , Жетісу, pronounced ; ky, ''Jeti-Suu'', (), meaning "seven rivers"; also transcribed ''Zhetisu'', ''Jetisuw'', ''Jetysu'', ''Jeti-su'', ''Jity-su'', ''Жетысу'',, United States National Geospatial-I ...
File:Sutras on the Origin of Origins of Ta-ch‘in Luminous Religion (detail).jpg, Detail of the rubbing of the Nestorian pillar of Luoyang, discovered in
Luoyang Luoyang is a city located in the confluence area of Luo River and Yellow River in the west of Henan province. Governed as a prefecture-level city, it borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyan ...
. 9th century. File:Sutras on the Origin of Origins of Ta-ch‘in Luminous Religion (detail-L).jpg, Detail of the rubbing of the Nestorian pillar of Luoyang, discovered in Luoyang. 9th century.


Early history

Although the Nestorian community traced their history to the 1st century AD, the Church of the East first achieved official state recognition from the Sasanian Empire in the 4th century with the accession of Yazdegerd I (reigned 399–420) to the throne of the
Sasanian Empire The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...
. In 410 the Synod of Seleucia-Ctesiphon, held at the Sasanian capital, allowed the church's leading bishops to elect a formal Catholicos (leader). Catholicos
Isaac Isaac; grc, Ἰσαάκ, Isaák; ar, إسحٰق/إسحاق, Isḥāq; am, ይስሐቅ is one of the three patriarchs of the Israelites and an important figure in the Abrahamic religions, including Judaism, Christianity, and Islam. He was ...
was required both to lead the Assyrian Christian community and to answer on its behalf to the Sasanian emperor. Under pressure from the Sasanian Emperor, the Church of the East sought to increasingly distance itself from the Pentarchy (at the time being known as the church of the
Eastern Roman Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantino ...
). Therefore, in 424, the bishops of the Sasanian Empire met in council under the leadership of Catholicos Dadishoʿ (421–456) and determined that they would not, henceforth, refer disciplinary or theological problems to any external power, and especially not to any bishop or church council in the
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
. Thus, the Mesopotamian churches did not send representatives to the various church councils attended by representatives of the " Western Church". Accordingly, the leaders of the Church of the East did not feel bound by any decisions of what came to be regarded as Roman Imperial Councils. Despite this, the Creed and Canons of the First Council of Nicaea of 325, affirming the full divinity of Christ, were formally accepted at the Council of Seleucia-Ctesiphon in 410. The church's understanding of the term hypostasis differs from the definition of the term offered at the
Council of Chalcedon The Council of Chalcedon (; la, Concilium Chalcedonense), ''Synodos tēs Chalkēdonos'' was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, B ...
of 451. For this reason, the Assyrian Church has never approved the Chalcedonian definition. The theological controversy that followed the
Council of Ephesus The Council of Ephesus was a council of Christian bishops convened in Ephesus (near present-day Selçuk in Turkey) in AD 431 by the Roman Emperor Theodosius II. This third ecumenical council, an effort to attain consensus in the church t ...
in 431 proved a turning point in the Christian Church's history. The Council condemned as heretical the Christology of Nestorius, whose reluctance to accord the Virgin Mary the title '' Theotokos'' "God-bearer, Mother of God" was taken as evidence that he believed two separate persons (as opposed to two united natures) to be present within Christ. The Sasanian Emperor, hostile to the Byzantines, saw the opportunity to ensure the loyalty of his Christian subjects and lent support to the Nestorian Schism. The Emperor took steps to cement the primacy of the Nestorian party within the Assyrian Church of the East, granting its members his protection, and executing the pro-Roman Catholicos Babowai in 484, replacing him with the Nestorian Bishop of
Nisibis Nusaybin (; '; ar, نُصَيْبِيْن, translit=Nuṣaybīn; syr, ܢܨܝܒܝܢ, translit=Nṣībīn), historically known as Nisibis () or Nesbin, is a city in Mardin Province, Turkey. The population of the city is 83,832 as of 2009 and is ...
, Barsauma. The Catholicos-Patriarch Babai (497–503) confirmed the association of the Assyrian Church with Nestorianism.


Parthian and Sasanian periods

Christians were already forming communities in
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
as early as the 1st century under the
Parthian Empire The Parthian Empire (), also known as the Arsacid Empire (), was a major Iranian political and cultural power in ancient Iran from 247 BC to 224 AD. Its latter name comes from its founder, Arsaces I, who led the Parni tribe in conqu ...
. In 266, the area was annexed by the
Sasanian Empire The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...
(becoming the province of
Asōristān Asoristan ( pal, 𐭠𐭮𐭥𐭥𐭮𐭲𐭭 ''Asōristān'', ''Āsūristān'') was the name of the Sasanian province of Assyria and Babylonia from 226 to 637. Name The Parthian name ''Asōristān'' (; also spelled ''Asoristan'', ''Asuristan ...
), and there were significant Christian communities in Upper Mesopotamia, Elam, and Fars. The Church of the East traced its origins ultimately to the evangelical activity of Thaddeus of Edessa, Mari and
Thomas the Apostle Thomas the Apostle ( arc, 𐡀𐡌𐡅𐡕𐡌, hbo, תוֹמא הקדוש or תוֹמָא שליחא (''Toma HaKadosh'' "Thomas the Holy" or ''Toma Shlikha'' "Thomas the Messenger/Apostle" in Hebrew-Aramaic), syc, ܬܐܘܡܐ, , meaning "twi ...
. Leadership and structure remained disorganised until 315 when Papa bar Aggai (310–329), bishop of Seleucia-
Ctesiphon Ctesiphon ( ; Middle Persian: 𐭲𐭩𐭮𐭯𐭥𐭭 ''tyspwn'' or ''tysfwn''; fa, تیسفون; grc-gre, Κτησιφῶν, ; syr, ܩܛܝܣܦܘܢThomas A. Carlson et al., “Ctesiphon — ܩܛܝܣܦܘܢ ” in The Syriac Gazetteer last modi ...
, imposed the primacy of his see over the other Mesopotamian and Persian bishoprics which were grouped together under the Catholicate of Seleucia-Ctesiphon; Papa took the title of Catholicos, or universal leader. This position received an additional title in 410, becoming Catholicos and Patriarch of the East. These early Christian communities in Mesopotamia, Elam, and Fars were reinforced in the 4th and 5th centuries by large-scale deportations of Christians from the eastern
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
. However, the Persian Church faced several severe persecutions, notably during the reign of
Shapur II Shapur II ( pal, 𐭱𐭧𐭯𐭥𐭧𐭥𐭩 ; New Persian: , ''Šāpur'', 309 – 379), also known as Shapur the Great, was the tenth Sasanian King of Kings ( Shahanshah) of Iran. The longest-reigning monarch in Iranian history, he reign ...
(339–79), from the
Zoroastrian Zoroastrianism is an Iranian religion and one of the world's oldest organized faiths, based on the teachings of the Iranian-speaking prophet Zoroaster. It has a dualistic cosmology of good and evil within the framework of a monotheisti ...
majority who accused it of Roman leanings. Shapur II attempted to dismantle the catholicate's structure and put to death some of the clergy including the catholicoi Simeon bar Sabba'e (341),
Shahdost Shahdost was Bishop of Seleucia-Ctesiphon and primate of the Church of the East from 341 to 343. He was martyred during the great persecution of Shapur II. Like several other early bishops of Seleucia-Ctesiphon, he is included in the traditional ...
(342), and Barba'shmin (346). Afterward, the office of Catholicos lay vacant nearly 20 years (346–363). In 363, under the terms of a peace treaty, Nisibis was ceded to the Persians, causing
Ephrem the Syrian Ephrem the Syrian ( syc, ܡܪܝ ܐܦܪܝܡ ܣܘܪܝܝܐ, Mār ʾAp̄rêm Sūryāyā, ; grc-koi, Ἐφραὶμ ὁ Σῦρος, Efrém o Sýros; la, Ephraem Syrus; am, ቅዱስ ኤፍሬም ሶርያዊ; ), also known as Saint Ephrem, Saint ...
, accompanied by a number of teachers, to leave the School of Nisibis for
Edessa Edessa (; grc, Ἔδεσσα, Édessa) was an ancient city (''polis'') in Upper Mesopotamia, founded during the Hellenistic period by King Seleucus I Nicator (), founder of the Seleucid Empire. It later became capital of the Kingdom of Osroe ...
still in Roman territory. The church grew considerably during the Sasanian period, but the pressure of persecution led the Catholicos Dadisho I in 424 to convene the Synod of Markabta at Seleucia and declare the Catholicate independent from "the western Fathers". Meanwhile, in the Roman Empire, the Nestorian Schism had led many of Nestorius' supporters to relocate to the Sasanian Empire, mainly around the theological School of Nisibis. The Persian Church increasingly aligned itself with the Dyophisites, a measure encouraged by the Zoroastrian ruling class. The church became increasingly Dyophisite in doctrine over the next decades, furthering the divide between Roman and Persian Christianity. In 484 the Metropolitan of Nisibis, Barsauma, convened the Synod of Beth Lapat where he publicly accepted Nestorius' mentor, Theodore of Mopsuestia, as a spiritual authority. In 489, when the
School of Edessa The School of Edessa ( syr, ܐܣܟܘܠܐ ܕܐܘܪܗܝ) was a Christian theological school of great importance to the Syriac-speaking world. It had been founded as long ago as the 2nd century by the kings of the Abgar dynasty. In 363, Nisibis fel ...
in
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
was closed by Byzantine Emperor
Zeno Zeno ( grc, Ζήνων) may refer to: People * Zeno (name), including a list of people and characters with the name Philosophers * Zeno of Elea (), philosopher, follower of Parmenides, known for his paradoxes * Zeno of Citium (333 – 264 BC), ...
for its Nestorian teachings, the school relocated to its original home of Nisibis, becoming again the School of Nisibis, leading to a wave of Nestorian immigration into the Sasanian Empire. The Patriarch of the East Mar Babai I (497–502) reiterated and expanded upon his predecessors' esteem for Theodore, solidifying the church's adoption of Dyophisitism. Now firmly established in the Persian Empire, with centres in Nisibis,
Ctesiphon Ctesiphon ( ; Middle Persian: 𐭲𐭩𐭮𐭯𐭥𐭭 ''tyspwn'' or ''tysfwn''; fa, تیسفون; grc-gre, Κτησιφῶν, ; syr, ܩܛܝܣܦܘܢThomas A. Carlson et al., “Ctesiphon — ܩܛܝܣܦܘܢ ” in The Syriac Gazetteer last modi ...
, and
Gundeshapur Gundeshapur ( pal, 𐭥𐭧𐭩𐭠𐭭𐭣𐭩𐭥𐭪𐭱𐭧𐭯𐭥𐭧𐭥𐭩, ''Weh-Andiōk-Šābuhr''; New Persian: , ''Gondēshāpūr'') was the intellectual centre of the Sassanid Empire and the home of the Academy of Gundishapur, founded ...
, and several
metropolitan see Metropolitan may refer to: * Metropolitan area, a region consisting of a densely populated urban core and its less-populated surrounding territories * Metropolitan borough, a form of local government district in England * Metropolitan county, a t ...
s, the Church of the East began to branch out beyond the Sasanian Empire. However, through the 6th century the church was frequently beset with internal strife and persecution from the Zoroastrians. The infighting led to a schism, which lasted from 521 until around 539, when the issues were resolved. However, immediately afterward Byzantine-Persian conflict led to a renewed persecution of the church by the Sasanian emperor Khosrau I; this ended in 545. The church survived these trials under the guidance of Patriarch Aba I, who had converted to Christianity from
Zoroastrianism Zoroastrianism is an Iranian religion and one of the world's oldest organized faiths, based on the teachings of the Iranian-speaking prophet Zoroaster. It has a dualistic cosmology of good and evil within the framework of a monotheisti ...
. By the end of the 5th century and the middle of the 6th, the area occupied by the Church of the East included "all the countries to the east and those immediately to the west of the Euphrates", including the Sasanian Empire, the
Arabian Peninsula The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Plat ...
,
Socotra Socotra or Soqotra (; ar, سُقُطْرَىٰ ; so, Suqadara) is an island of the Republic of Yemen in the Indian Ocean, under the ''de facto'' control of the UAE-backed Southern Transitional Council, a secessionist participant in Yemen� ...
,
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
, Media,
Bactria Bactria (; Bactrian: , ), or Bactriana, was an ancient region in Central Asia in Amu Darya's middle stream, stretching north of the Hindu Kush, west of the Pamirs and south of the Gissar range, covering the northern part of Afghanistan, sou ...
, Hyrcania, and
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
; and possibly also to places called Calliana, Male, and Sielediva (Ceylon). Beneath the Patriarch in the hierarchy were nine metropolitans, and clergy were recorded among the
Huns The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th century AD. According to European tradition, they were first reported living east of the Volga River, in an area that was part ...
, in Persarmenia, Media, and the island of Dioscoris in the
Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...
. The Church of the East also flourished in the kingdom of the Lakhmids until the Islamic conquest, particularly after the ruler
al-Nu'man III ibn al-Mundhir Al-Nuʿmān III ibn al-Mundhir ( ar, النعمان بن المنذر), also transcribed Naʿaman, Nuʿaman and Noman and often known by the patronymic Abu Qabus (), was the last Lakhmid king of al-Hirah (582 – ) and a Nestorian Christian Ara ...
officially converted in c. 592.


Islamic rule

After the Sasanian Empire was conquered by Muslim Arabs in 644, the newly established
Rashidun Caliphate The Rashidun Caliphate ( ar, اَلْخِلَافَةُ ٱلرَّاشِدَةُ, al-Khilāfah ar-Rāšidah) was the first caliphate to succeed the Islamic prophet Muhammad. It was ruled by the first four successive caliphs of Muhammad after his ...
designated the Church of the East as an official ''
dhimmi ' ( ar, ذمي ', , collectively ''/'' "the people of the covenant") or () is a historical term for non-Muslims living in an Islamic state with legal protection. The word literally means "protected person", referring to the state's obligatio ...
'' minority group headed by the Patriarch of the East. As with all other Christian and Jewish groups given the same status, the church was restricted within the Caliphate, but also given a degree of protection. Nestorians were not permitted to proselytise or attempt to convert Muslims, but their missionaries were otherwise given a free hand, and they increased missionary efforts farther afield. Missionaries established dioceses in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
(the
Saint Thomas Christians The Saint Thomas Christians, also called Syrian Christians of India, ''Marthoma Suriyani Nasrani'', ''Malankara Nasrani'', or ''Nasrani Mappila'', are an ethno-religious community of Indian Christians in the state of Kerala ( Malabar region) ...
). They made some advances in
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a List of transcontinental countries, transcontinental country spanning the North Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via a land bridg ...
, despite the strong
Monophysite Monophysitism ( or ) or monophysism () is a Christological term derived from the Greek (, "alone, solitary") and (, a word that has many meanings but in this context means "nature"). It is defined as "a doctrine that in the person of the inca ...
presence there, and they entered
Central Asia Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the fo ...
, where they had significant success converting local Tartars. Nestorian missionaries were firmly established in China during the early part of the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
(618–907); the Chinese source known as the Nestorian Stele describes a mission under a proselyte named Alopen as introducing Nestorian Christianity to China in 635. In the 7th century, the church had grown to have two Nestorian
archbishops In Christian denominations, an archbishop is a bishop of higher rank or office. In most cases, such as the Catholic Church, there are many archbishops who either have jurisdiction over an ecclesiastical province in addition to their own archdioc ...
, and over 20 bishops east of the Iranian border of the
Oxus River The Amu Darya, tk, Amyderýa/ uz, Amudaryo// tg, Амударё, Amudaryo ps, , tr, Ceyhun / Amu Derya grc, Ὦξος, Ôxos (also called the Amu, Amo River and historically known by its Latin name or Greek ) is a major river in Central Asi ...
. Patriarch Timothy I (780–823), a contemporary of the Caliph
Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...
, took a particularly keen interest in the missionary expansion of the Church of the East. He is known to have consecrated metropolitans for Damascus, for
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''O ...
, for Dailam and Gilan in Azerbaijan, for Rai in Tabaristan, for Sarbaz in Segestan, for the Turks of Central Asia, for China, and possibly also for
Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
. He also detached India from the metropolitan province of Fars and made it a separate metropolitan province, known as
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
. By the 10th century the Church of the East had a number of dioceses stretching from across the Caliphate's territories to India and China. Nestorian Christians made substantial contributions to the Islamic
Umayyad The Umayyad Caliphate (661–750 CE; , ; ar, ٱلْخِلَافَة ٱلْأُمَوِيَّة, al-Khilāfah al-ʾUmawīyah) was the second of the four major caliphates established after the death of Muhammad. The caliphate was ruled by the ...
and
Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttal ...
s, particularly in translating the works of the ancient Greek philosophers to Syriac and
Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...
. Nestorians made their own contributions to
philosophy Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied or resolved. ...
,
science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence ...
(such as Hunayn ibn Ishaq, Qusta ibn Luqa, Masawaiyh, Patriarch Eutychius, Jabril ibn Bukhtishu) and
theology Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is taught as an academic discipline, typically in universities and seminaries. It occupies itself with the unique content of analyzing th ...
(such as
Tatian Tatian of Adiabene, or Tatian the Syrian or Tatian the Assyrian, (; la, Tatianus; grc, Τατιανός; syc, ܛܛܝܢܘܣ; c. 120 – c. 180 AD) was an Assyrian Christian writer and theologian of the 2nd century. Tatian's most influential w ...
,
Bar Daisan Bardaisan (11 July 154 – 222 AD; syr, ܒܪ ܕܝܨܢ, ''Bardaiṣān''), known in Arabic as Ibn Daisan (ابن ديصان) and in Latin as Bardesanes, was a Syriac-speaking Assyrian or ParthianProds Oktor Skjaervo. ''Bardesanes''. Encyclopædia ...
,
Babai the Great Babai the Great ( , c. 551 – 628) was an early church father of the Church of the East. He set several of the foundational pillars of the Church, revived the monastic movement, and formulated its Christology in a systematic way. He served as a ...
, Nestorius,
Toma bar Yacoub Thomas of Marga, ( syc, ܬܐܘܡܐ ܒܪ ܝܥܩܘܒ, ') was an East Syriac bishop and author of an important monastic history in Syriac, who flourished in the 9th century CE. He was born early in the century in the region of Salakh to the north-east ...
). The personal
physicians A physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through th ...
of the Abbasid Caliphs were often
Assyrian Assyrian may refer to: * Assyrian people, the indigenous ethnic group of Mesopotamia. * Assyria, a major Mesopotamian kingdom and empire. ** Early Assyrian Period ** Old Assyrian Period ** Middle Assyrian Empire ** Neo-Assyrian Empire * Assyri ...
Christians Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρ� ...
such as the long serving Bukhtishu dynasty.


Expansion

After the split with the Western World and synthesis with Nestorianism, the Church of the East expanded rapidly due to missionary works during the medieval period. During the period between 500 and 1400 the geographical horizon of the Church of the East extended well beyond its heartland in present-day northern
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
, north eastern
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
and south eastern
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula ...
. Communities sprang up throughout
Central Asia Central Asia, also known as Middle Asia, is a region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes the fo ...
, and missionaries from Assyria and Mesopotamia took the Christian faith as far as
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
, with a primary indicator of their missionary work being the Nestorian Stele, a Christian tablet written in Chinese script found in China dating to 781 AD. Their most important conversion, however, was of the
Saint Thomas Christians The Saint Thomas Christians, also called Syrian Christians of India, ''Marthoma Suriyani Nasrani'', ''Malankara Nasrani'', or ''Nasrani Mappila'', are an ethno-religious community of Indian Christians in the state of Kerala ( Malabar region) ...
of the
Malabar Coast The Malabar Coast is the southwestern coast of the Indian subcontinent. Geographically, it comprises the wettest regions of southern India, as the Western Ghats intercept the moisture-laden monsoon rains, especially on their westward-facing ...
in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
, who alone escaped the destruction of the church by
Timur Timur ; chg, ''Aqsaq Temür'', 'Timur the Lame') or as ''Sahib-i-Qiran'' ( 'Lord of the Auspicious Conjunction'), his epithet. ( chg, ''Temür'', 'Iron'; 9 April 133617–19 February 1405), later Timūr Gurkānī ( chg, ''Temür Kü ...
at the end of the 14th century, and the majority of whom today constitute the largest group who now use the liturgy of the Church of the East, with around 4 million followers in their homeland, in spite of the 17th-century defection to the West Syriac Rite of the
Syriac Orthodox Church , native_name_lang = syc , image = St_George_Syriac_orthodox_church_in_Damascus.jpg , imagewidth = 250 , alt = Cathedral of Saint George , caption = Cathedral of Saint George, Damascus ...
. The St Thomas Christians were believed by tradition to have been converted by St Thomas, and were in communion with the Church of the East until the end of the medieval period.


India

The
Saint Thomas Christian The Saint Thomas Christians, also called Syrian Christians of India, ''Marthoma Suriyani Nasrani'', ''Malankara Nasrani'', or ''Nasrani Mappila'', are an ethno-religious community of Indian Christians in the state of Kerala (Malabar region), ...
community of
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South Ca ...
, India, who according to tradition trace their origins to the evangelizing efforts of
Thomas the Apostle Thomas the Apostle ( arc, 𐡀𐡌𐡅𐡕𐡌, hbo, תוֹמא הקדוש or תוֹמָא שליחא (''Toma HaKadosh'' "Thomas the Holy" or ''Toma Shlikha'' "Thomas the Messenger/Apostle" in Hebrew-Aramaic), syc, ܬܐܘܡܐ, , meaning "twi ...
, had a long association with the Church of the East. The earliest known organised Christian presence in Kerala dates to 295/300 when Christian settlers and missionaries from Persia headed by Bishop
David of Basra David of Basra, sometimes rendered Dudi of Basra or David of Charax, was a 3rd- and 4th-century CE Christian metropolitan bishop who undertook missionary work in India around the year 300 (295 in some sources). He is among the earliest documented ...
settled in the region. The Saint Thomas Christians traditionally credit the mission of Thomas of Cana, a Nestorian from the Middle East, with the further expansion of their community. From at least the early 4th century, the Patriarch of the Church of the East provided the Saint Thomas Christians with clergy, holy texts, and ecclesiastical infrastructure. And around 650 Patriarch Ishoyahb III solidified the church's jurisdiction in India. In the 8th century Patriarch Timothy I organised the community as the Ecclesiastical Province of India, one of the church's Provinces of the Exterior. After this point the Province of India was headed by a
metropolitan bishop In Christian churches with episcopal polity, the rank of metropolitan bishop, or simply metropolitan (alternative obsolete form: metropolite), pertains to the diocesan bishop or archbishop of a metropolis. Originally, the term referred to the ...
, provided from Persia, who oversaw a varying number of bishops as well as a native
Archdeacon An archdeacon is a senior clergy position in the Church of the East, Chaldean Catholic Church, Syriac Orthodox Church, Anglican Communion, St Thomas Christians, Eastern Orthodox churches and some other Christian denominations, above that of mo ...
, who had authority over the clergy and also wielded a great amount of secular power. The
metropolitan see Metropolitan may refer to: * Metropolitan area, a region consisting of a densely populated urban core and its less-populated surrounding territories * Metropolitan borough, a form of local government district in England * Metropolitan county, a t ...
was probably in
Cranganore Kodungallur (; also Cranganore, Portuguese: Cranganor; formerly known as Mahodayapuram, Shingly, Vanchi, Muchiri, Muyirikkode, and Muziris) is a historically significant town situated on the banks of river Periyar on the Malabar Coast in Th ...
, or (perhaps nominally) in Mylapore, where the Shrine of Thomas was located. In the 12th century Indian Nestorianism engaged the Western imagination in the figure of Prester John, supposedly a Nestorian ruler of India who held the offices of both king and priest. The geographically remote Malabar Church survived the decay of the Nestorian hierarchy elsewhere, enduring until the 16th century when the Portuguese arrived in India. With the establishment of Portuguese power in parts of India, the clergy of that empire, in particular members of the
Society of Jesus , image = Ihs-logo.svg , image_size = 175px , caption = ChristogramOfficial seal of the Jesuits , abbreviation = SJ , nickname = Jesuits , formation = , founders ...
(Jesuits), determined to actively bring the
Saint Thomas Christians The Saint Thomas Christians, also called Syrian Christians of India, ''Marthoma Suriyani Nasrani'', ''Malankara Nasrani'', or ''Nasrani Mappila'', are an ethno-religious community of Indian Christians in the state of Kerala ( Malabar region) ...
into full communion with Rome under the
Latin Rite Latin liturgical rites, or Western liturgical rites, are Catholic rites of public worship employed by the Latin Church, the largest particular church '' sui iuris'' of the Catholic Church, that originated in Europe where the Latin language onc ...
. After the Synod of Diamper in 1599, they installed Padroado Portuguese bishops over the local sees and made liturgical changes to accord with the Latin practice and this led to a revolt among the Saint Thomas Christians. The majority of them broke with the Catholic Church and vowed never to submit to the Portuguese in the Coonan Cross Oath of 1653. In 1661,
Pope Alexander VII Pope Alexander VII ( it, Alessandro VII; 13 February 159922 May 1667), born Fabio Chigi, was head of the Catholic Church and ruler of the Papal States from 7 April 1655 to his death in May 1667. He began his career as a vice- papal legate, an ...
responded by sending a delegations of
Carmelites , image = , caption = Coat of arms of the Carmelites , abbreviation = OCarm , formation = Late 12th century , founder = Early hermits of Mount Carmel , founding_location = Mount C ...
headed by two Italians, one Fleming and one German priests to reconcile the Saint Thomas Christians to Catholic fold. These priests had two advantages – they were not Portuguese and they were not Jesuits. By the next year, 84 of the 116 Saint Thomas Christian churches had returned, forming the Syrian Catholic Church (modern day
Syro-Malabar Catholic Church lat, Ecclesia Syrorum-Malabarensium mal, മലബാറിലെ സുറിയാനി സഭ , native_name_lang=, image = St. Thomas' Cross (Chennai, St. Thomas Mount).jpg , caption = The Mar Thoma Nasrani Sl ...
). The rest, which became known as the
Malankara Church The Malankara Church, also known as ''Puthenkur'' and more popularly as Jacobite Syrians, is the historic unified body of West Syriac Saint Thomas Christian denominations which claim ultimate origins from the missions of Thomas the Apostle. ...
, soon entered into communion with the
Syriac Orthodox Church , native_name_lang = syc , image = St_George_Syriac_orthodox_church_in_Damascus.jpg , imagewidth = 250 , alt = Cathedral of Saint George , caption = Cathedral of Saint George, Damascus ...
. The Malankara Church also produced the
Syro-Malankara Catholic Church The Syro-Malankara Catholic Church, also known as the Malankara Syrian Catholic Church, is an Eastern Catholic '' sui iuris'' particular church in full communion with the worldwide Catholic Church possessing self-governance under the Code of ...
.


Sri Lanka

Nestorian Christianity is said to have thrived in Sri Lanka with the patronage of King Dathusena during the 5th century. There are mentions of involvement of Persian Christians with the Sri Lankan royal family during the Sigiriya Period. Over seventy-five ships carrying Murundi soldiers from Mangalore are said to have arrived in the Sri Lankan town of Chilaw most of whom were Christians. King Dathusena's daughter was married to his nephew Migara who is also said to have been a Nestorian Christian, and a commander of the Sinhalese army. Maga Brahmana, a Christian priest of Persian origin is said to have provided advice to King Dathusena on establishing his palace on the Sigiriya Rock. The Anuradhapura Cross discovered in 1912 is also considered to be an indication of a strong Nestorian Christian presence in Sri Lanka between the 3rd and 10th century in the then capitol of Anuradhapura of Sri Lanka.


China

Christianity reached China by 635, and its relics can still be seen in Chinese cities such as Xi'an. The Nestorian Stele, set up on 7 January 781 at the then-capital of
Chang'an Chang'an (; ) is the traditional name of Xi'an. The site had been settled since Neolithic times, during which the Yangshao culture was established in Banpo, in the city's suburbs. Furthermore, in the northern vicinity of modern Xi'an, Qin ...
, attributes the introduction of Christianity to a mission under a Persian cleric named Alopen in 635, in the reign of Emperor Taizong of Tang during the
Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
. The inscription on the Nestorian Stele, whose dating formula mentions the
patriarch The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in c ...
Hnanisho II (773–80), gives the names of several prominent Christians in China, including Metropolitan Adam, Bishop Yohannan, 'country-bishops' Yazdbuzid and Sargis and Archdeacons Gigoi of Khumdan (
Chang'an Chang'an (; ) is the traditional name of Xi'an. The site had been settled since Neolithic times, during which the Yangshao culture was established in Banpo, in the city's suburbs. Furthermore, in the northern vicinity of modern Xi'an, Qin ...
) and Gabriel of Sarag (Loyang). The names of around seventy monks are also listed. Nestorian Christianity thrived in China for approximately 200 years, but then faced persecution from
Emperor Wuzong of Tang Emperor Wuzong of Tang (July 2, 814 – April 22, 846), né Li Chan, later changed to Li Yan just before his death, was an emperor of the Tang Dynasty of China, reigning from 840 to 846. Emperor Wuzong is mainly known in modern times for the r ...
(reigned 840–846). He suppressed all foreign religions, including Buddhism and Christianity, causing the church to decline sharply in China. A Syrian monk visiting China a few decades later described many churches in ruin. The church disappeared from China in the early 10th century, coinciding with the collapse of the Tang dynasty and the tumult of the next years (the
Five Dynasties and Ten Kingdoms period The Five Dynasties and Ten Kingdoms period (), from 907 to 979, was an era of political upheaval and division in 10th-century Imperial China. Five dynastic states quickly succeeded one another in the Central Plain, and more than a dozen conc ...
). Christianity in China experienced a significant revival during the Mongol-created
Yuan dynasty The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fif ...
, established after the Mongols had conquered China in the 13th century.
Marco Polo Marco Polo (, , ; 8 January 1324) was a Venetian merchant, explorer and writer who travelled through Asia along the Silk Road between 1271 and 1295. His travels are recorded in '' The Travels of Marco Polo'' (also known as ''Book of the Marv ...
in the 13th century and other medieval Western writers described many Nestorian communities remaining in China and Mongolia; however, they clearly were not as vibrant as they had been during Tang times.


Mongolia and Central Asia

The Church of the East enjoyed a final period of expansion under the
Mongols The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal member ...
. Several Mongol tribes had already been converted by Nestorian missionaries in the 7th century, and Christianity was therefore a major influence in the
Mongol Empire The Mongol Empire of the 13th and 14th centuries was the largest contiguous land empire in history. Originating in present-day Mongolia in East Asia, the Mongol Empire at its height stretched from the Sea of Japan to parts of Eastern Europe, ...
.
Genghis Khan Genghis Khan (born Temüjin; ; xng, Temüjin, script=Latn; ., name=Temujin – August 25, 1227) was the founder and first Great Khan (Emperor) of the Mongol Empire, which became the List of largest empires, largest contiguous empire in history a ...
was a shamanist, but his sons took Christian wives from the powerful
Kerait The Keraites (also ''Kerait, Kereit, Khereid''; ; ) were one of the five dominant Mongol or Turkic tribal confederations (khanates) in the Altai-Sayan region during the 12th century. They had converted to the Church of the East (Nestorianism) i ...
clan, as did their sons in turn. During the rule of Genghis's grandson, the Great Khan Mongke, Nestorian Christianity was the primary religious influence in the Empire, and this also carried over to Mongol-controlled China, during the
Yuan dynasty The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fif ...
. It was at this point, in the late 13th century, that the Church of the East reached its greatest geographical reach. But Mongol power was already waning as the Empire dissolved into civil war; and it reached a turning point in 1295, when
Ghazan Mahmud Ghazan (5 November 1271 – 11 May 1304) (, Ghazan Khan, sometimes archaically spelled as Casanus by the Westerners) was the seventh ruler of the Mongol Empire's Ilkhanate division in modern-day Iran from 1295 to 1304. He was the son o ...
, the Mongol ruler of the
Ilkhanate The Ilkhanate, also spelled Il-khanate ( fa, ایل خانان, ''Ilxānān''), known to the Mongols as ''Hülegü Ulus'' (, ''Qulug-un Ulus''), was a khanate established from the southwestern sector of the Mongol Empire. The Ilkhanid realm ...
, made a formal conversion to Islam when he took the throne.


Jerusalem and Cyprus

Rabban Bar Sauma had initially conceived of his journey to the West as a pilgrimage to
Jerusalem Jerusalem (; he, יְרוּשָׁלַיִם ; ar, القُدس ) (combining the Biblical and common usage Arabic names); grc, Ἱερουσαλήμ/Ἰεροσόλυμα, Hierousalḗm/Hierosóluma; hy, Երուսաղեմ, Erusałēm. i ...
, so it is possible that there was a Nestorian presence in the city ca.1300. There was certainly a recognisable Nestorian presence at the
Holy Sepulchre The Church of the Holy Sepulchre, hy, Սուրբ Հարության տաճար, la, Ecclesia Sancti Sepulchri, am, የቅዱስ መቃብር ቤተክርስቲያን, he, כנסיית הקבר, ar, كنيسة القيامة is a church i ...
from the years 1348 through 1575, as contemporary
Franciscan , image = FrancescoCoA PioM.svg , image_size = 200px , caption = A cross, Christ's arm and Saint Francis's arm, a universal symbol of the Franciscans , abbreviation = OFM , predecessor = , ...
accounts indicate. At
Famagusta Famagusta ( , ; el, Αμμόχωστος, Ammóchostos, ; tr, Gazimağusa or ) is a city on the east coast of Cyprus. It is located east of Nicosia and possesses the deepest harbour of the island. During the Middle Ages (especially under t ...
, Cyprus, a Nestorian community was established just before 1300, and a church was built for them .


Decline

The expansion was followed by a decline. There were 68 cities with resident Church of the East bishops in the year 1000; in 1238 there were only 24, and at the death of
Timur Timur ; chg, ''Aqsaq Temür'', 'Timur the Lame') or as ''Sahib-i-Qiran'' ( 'Lord of the Auspicious Conjunction'), his epithet. ( chg, ''Temür'', 'Iron'; 9 April 133617–19 February 1405), later Timūr Gurkānī ( chg, ''Temür Kü ...
in 1405, only seven. The result of some 20 years under Öljaitü, ruler of the
Ilkhanate The Ilkhanate, also spelled Il-khanate ( fa, ایل خانان, ''Ilxānān''), known to the Mongols as ''Hülegü Ulus'' (, ''Qulug-un Ulus''), was a khanate established from the southwestern sector of the Mongol Empire. The Ilkhanid realm ...
from 1304 to 1316, and to a lesser extent under his predecessor, was that the overall number of the dioceses and parishes was further reduced. When
Timur Timur ; chg, ''Aqsaq Temür'', 'Timur the Lame') or as ''Sahib-i-Qiran'' ( 'Lord of the Auspicious Conjunction'), his epithet. ( chg, ''Temür'', 'Iron'; 9 April 133617–19 February 1405), later Timūr Gurkānī ( chg, ''Temür Kü ...
, the Turco-Mongol leader of the Timurid Empire, known also as Tamerlane, came to power in 1370, he set out to cleanse his dominions of non-Muslims. He annihilated Christianity in central Asia.Peter C. Phan, ''Christianities in Asia'' (John Wiley & Sons 2011), p. 243
/ref> The Church of the East "lived on only in the mountains of
Kurdistan Kurdistan ( ku, کوردستان ,Kurdistan ; lit. "land of the Kurds") or Greater Kurdistan is a roughly defined geo-cultural territory in Western Asia wherein the Kurds form a prominent majority population and the Kurdish culture, languag ...
and in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
". Thus, except for the
Saint Thomas Christians The Saint Thomas Christians, also called Syrian Christians of India, ''Marthoma Suriyani Nasrani'', ''Malankara Nasrani'', or ''Nasrani Mappila'', are an ethno-religious community of Indian Christians in the state of Kerala ( Malabar region) ...
on the
Malabar Coast The Malabar Coast is the southwestern coast of the Indian subcontinent. Geographically, it comprises the wettest regions of southern India, as the Western Ghats intercept the moisture-laden monsoon rains, especially on their westward-facing ...
, the Church of the East was confined to the area in and around the rough triangle formed by
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
and Lakes Van and
Urmia Urmia or Orumiyeh ( fa, ارومیه, Variously transliterated as ''Oroumieh'', ''Oroumiyeh'', ''Orūmīyeh'' and ''Urūmiyeh''.) is the largest city in West Azerbaijan Province of Iran and the capital of Urmia County. It is situated at an al ...
, including Amid (modern
Diyarbakır Diyarbakır (; ; ; ) is the largest Kurdish-majority city in Turkey. It is the administrative center of Diyarbakır Province. Situated around a high plateau by the banks of the Tigris river on which stands the historic Diyarbakır Fortres ...
), Mêrdîn (modern
Mardin Mardin ( ku, Mêrdîn; ar, ماردين; syr, ܡܪܕܝܢ, Merdīn; hy, Մարդին) is a city in southeastern Turkey. The capital of Mardin Province, it is known for the Artuqid architecture of its old city, and for its strategic location ...
) and
Edessa Edessa (; grc, Ἔδεσσα, Édessa) was an ancient city (''polis'') in Upper Mesopotamia, founded during the Hellenistic period by King Seleucus I Nicator (), founder of the Seleucid Empire. It later became capital of the Kingdom of Osroe ...
to the west, Salmas to the east, Hakkari and
Harran Harran (), historically known as Carrhae ( el, Kάρραι, Kárrhai), is a rural town and district of the Şanlıurfa Province in southeastern Turkey, approximately 40 kilometres (25 miles) southeast of Urfa and 20 kilometers from the border ...
to the north, and
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
,
Kirkuk Kirkuk ( ar, كركوك, ku, کەرکووک, translit=Kerkûk, , tr, Kerkük) is a city in Iraq, serving as the capital of the Kirkuk Governorate, located north of Baghdad. The city is home to a diverse population of Turkmens, Arabs, Kurds ...
, and Arbela (modern
Erbil Erbil, also called Hawler (, ar, أربيل, Arbīl; syr, ܐܲܪܒܹܝܠ, Arbel), is the capital and most populated city in the Kurdistan Region of Iraq. It lies in the Erbil Governorate. It has an estimated population of around 1,600,000. H ...
) to the south - a region comprising, in modern maps, northern
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
, southeast
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula ...
, northeast
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
and the northwestern fringe of
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
. Small Nestorian communities were located further west, notably in Jerusalem and
Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is ...
, but the Malabar Christians of India represented the only significant survival of the once-thriving exterior provinces of the Church of the East. The complete disappearance of the Nestorian dioceses in Central Asia probably stemmed from a combination of persecution, disease, and isolation: "what survived the Mongols did not survive the
Black Death The Black Death (also known as the Pestilence, the Great Mortality or the Plague) was a bubonic plague pandemic occurring in Western Eurasia and North Africa from 1346 to 1353. It is the most fatal pandemic recorded in human history, causi ...
of the fourteenth century." In many parts of Central Asia, Christianity had died out decades before Timur's campaigns. The surviving evidence from Central Asia, including a large number of dated graves, indicates that the crisis for the Church of the East occurred in the 1340s rather than the 1390s. Several contemporary observers, including the Papal Envoy Giovanni de' Marignolli, mention the murder of a Latin bishop in 1339 or 1340 by a Muslim mob in Almaliq, the chief city of Tangut, and the forcible conversion of the city's Christians to Islam. Tombstones in two East Syriac cemeteries in Mongolia have been dated from 1342, some commemorating deaths during a Black Death outbreak in 1338. In China, the last references to Nestorian and
Latin Christians , native_name_lang = la , image = San Giovanni in Laterano - Rome.jpg , imagewidth = 250px , alt = Façade of the Archbasilica of St. John in Lateran , caption = Archbasilica of Saint Joh ...
date from the 1350s, shortly before the replacement in 1368 of the Mongol
Yuan dynasty The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fif ...
with the xenophobic
Ming dynasty The Ming dynasty (), officially the Great Ming, was an Dynasties in Chinese history, imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming dynasty was the last ort ...
and the consequential self-imposed isolation of China from foreign influence including Christianity.


Schisms

From the middle of the 16th century, and throughout following two centuries, the Church of the East was affected by several internal
schism A schism ( , , or, less commonly, ) is a division between people, usually belonging to an organization, movement, or religious denomination. The word is most frequently applied to a split in what had previously been a single religious body, suc ...
s. Some of those schisms were caused by individuals or groups who chose to accept union with the
Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.3 billion baptized Catholics Catholic Church by country, worldwide . It is am ...
. Other schisms were provoked by rivalry between various fractions within the Church of the East. Lack of internal unity and frequent change of allegiances led to the creation and continuation of separate patriarchal lines. In spite of many internal challenges, and external difficulties (political oppression by Ottoman authorities and frequent persecutions by local non-Christians), the traditional branches of the Church of the East managed to survive that tumultuous period and eventually consolidate during the 19th century in the form of the
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
. At the same time, after many similar difficulties, groups united with the Catholic Church were finally consolidated into the
Chaldean Catholic Church , native_name_lang = syc , image = Assyrian Church.png , imagewidth = 200px , alt = , caption = Cathedral of Our Lady of Sorrows Baghdad, Iraq , abbreviation = , type ...


Schism of 1552

Around the middle of the fifteenth century Patriarch Shemon IV Basidi made the patriarchal succession hereditarynormally from uncle to nephew. This practice, which resulted in a shortage of eligible heirs, eventually led to a schism in the Church of the East, creating a temporarily Catholic offshoot known as the Shimun line. The Patriarch Shemon VII Ishoyahb (1539–58) caused great turmoil at the beginning of his reign by designating his twelve-year-old nephew Khnanisho as his successor, presumably because no older relatives were available. Several years later, probably because Khnanisho had died in the interim, he designated as successor his fifteen-year-old brother Eliya, the future Patriarch Eliya VI (1558–1591). These appointments, combined with other accusations of impropriety, caused discontent throughout the church, and by 1552 Shemon VII Ishoyahb had become so unpopular that a group of bishops, principally from the Amid, Sirt and Salmas districts in northern Mesopotamia, chose a new patriarch. They elected a monk named Yohannan Sulaqa, the former superior of Rabban Hormizd Monastery near Alqosh, which was the seat of the incumbent patriarchs; however, no bishop of metropolitan rank was available to consecrate him, as canonically required.
Franciscan , image = FrancescoCoA PioM.svg , image_size = 200px , caption = A cross, Christ's arm and Saint Francis's arm, a universal symbol of the Franciscans , abbreviation = OFM , predecessor = , ...
missionaries were already at work among the Nestorians, and, using them as intermediaries, Sulaqa's supporters sought to legitimise their position by seeking their candidate's consecration by
Pope Julius III Pope Julius III ( la, Iulius PP. III; it, Giulio III; 10 September 1487 – 23 March 1555), born Giovanni Maria Ciocchi del Monte, was head of the Catholic Church and ruler of the Papal States from 7 February 1550 to his death in March 155 ...
(1550–5). Sulaqa went to Rome, arriving on 18 November 1552, and presented a letter, drafted by his supporters in
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
, setting out his claim and asking that the Pope consecrate him as Patriarch. On 15 February 1553 he made a twice-revised profession of faith judged to be satisfactory, and by the bull ''Divina Disponente Clementia'' of 20 February 1553 was appointed "Patriarch of
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
in Eastern Syria" or "Patriarch of the Church of the Chaldeans of Mosul" (''Chaldaeorum ecclesiae Musal Patriarcha''). He was consecrated bishop in St. Peter's Basilica on 9 April. On 28 April
Pope Julius III Pope Julius III ( la, Iulius PP. III; it, Giulio III; 10 September 1487 – 23 March 1555), born Giovanni Maria Ciocchi del Monte, was head of the Catholic Church and ruler of the Papal States from 7 February 1550 to his death in March 155 ...
gave him the
pallium The pallium (derived from the Roman ''pallium'' or ''palla'', a woolen cloak; : ''pallia'') is an ecclesiastical vestment in the Catholic Church, originally peculiar to the pope, but for many centuries bestowed by the Holy See upon metropol ...
conferring patriarchal rank, confirmed with the bull ''Cum Nos Nuper''. These events, in which Rome was led to believe that Shemon VII Ishoyahb was dead, created within the Church of the East a lasting schism between the Eliya line of Patriarchs at Alqosh and the new line originating from Sulaqa. The latter was for half a century recognised by Rome as being in communion, but that reverted to both hereditary succession and Nestorianism and has continued in the Patriarchs of the
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
. Sulaqa left Rome in early July and in Constantinople applied for civil recognition. After his return to Mesopotamia, he received from the Ottoman authorities in December 1553 recognition as head of "the Chaldean nation after the example of all the Patriarchs". In the following year, during a five-month stay in Amid (
Diyarbakır Diyarbakır (; ; ; ) is the largest Kurdish-majority city in Turkey. It is the administrative center of Diyarbakır Province. Situated around a high plateau by the banks of the Tigris river on which stands the historic Diyarbakır Fortres ...
), he consecrated two metropolitans and three other bishopsFernando Filoni, ''The Church in Iraq'' CUA Press 2017), pp. 35−36
/ref> (for Gazarta,
Hesna d'Kifa Hasankeyf ( ar, حصن كيفا, translit=Ḥiṣn Kayfa‘, ku, Heskîf, hy, Հասանքեյֆ, translit=, el, Κιφας, translit=Kifas, lat, Cepha, syr, ܚܣܢܐ ܕܟܐܦܐ, Ḥesno d-Kifo) is a town and district located along the Ti ...
, Amid,
Mardin Mardin ( ku, Mêrdîn; ar, ماردين; syr, ܡܪܕܝܢ, Merdīn; hy, Մարդին) is a city in southeastern Turkey. The capital of Mardin Province, it is known for the Artuqid architecture of its old city, and for its strategic location ...
and
Seert Siirt ( ar, سِعِرْد, Siʿird; hy, Սղերդ, S'gherd; syr, ܣܥܪܬ, Siirt; ku, Sêrt) is a city in southeastern Turkey and the seat of Siirt Province. The population of the city according to the 2009 census was 129,188. History Pr ...
). For his part, Shemon VII Ishoyahb of the Alqosh line consecrated two more underage members of his patriarchal family as metropolitans (for
Nisibis Nusaybin (; '; ar, نُصَيْبِيْن, translit=Nuṣaybīn; syr, ܢܨܝܒܝܢ, translit=Nṣībīn), historically known as Nisibis () or Nesbin, is a city in Mardin Province, Turkey. The population of the city is 83,832 as of 2009 and is ...
and Gazarta). He also won over the governor of Amadiya, who invited Sulaqa to Amadiya, imprisoned him for four months, and put him to death in January 1555.


The Eliya and Shimun lines

This new Catholic line founded by Sulaqa maintained its seat at Amid and is known as the "Shimun" line. Wilmshurst suggests that their adoption of the name Shimun (after Simon Peter) was meant to point to the legitimacy of their Catholic line. Sulaqa's successor,
Abdisho IV Maron Mar Abdisho IV Maron ( syc, ܥܒܕܝܫܘܥ ܪܒܝܥܝܐ ܡܪܘܢ) was the second Patriarch of the Chaldean Catholic Church, from 1555 to 1570. Abdisho, whose name is spelled in many different ways (''Abdisu'', ''Abd-Jesu'', ''Hebed-Jesu'', ''Abdi ...
(1555–1570) visited Rome and his Patriarchal title was confirmed by the Pope in 1562. At some point, he moved to
Seert Siirt ( ar, سِعِرْد, Siʿird; hy, Սղերդ, S'gherd; syr, ܣܥܪܬ, Siirt; ku, Sêrt) is a city in southeastern Turkey and the seat of Siirt Province. The population of the city according to the 2009 census was 129,188. History Pr ...
. The Eliya-line Patriarch Shemon VII Ishoyahb (1539–1558), who resided in the Rabban Hormizd Monastery near Alqosh, continued to actively oppose union with Rome, and was succeeded by his nephew Eliya (designated as Eliya "VII" in older historiography, but renumbered as Eliya "VI" in recent scholarly works). During his Patriarchal tenure, from 1558 to 1591, the Church of the East preserved its traditional christology and full ecclesiastical independence. The next Shimun Patriarch was likely Yahballaha IV, who was elected in 1577 or 1578 and died within two years before seeking or obtaining confirmation from Rome. According to Tisserant, problems posed by the "Nestorian" traditionalists and the Ottoman authorities prevented any earlier election of a successor to Abdisho. David Wilmshurst and Heleen Murre believe that, in the period between 1570 and the patriarchal election of Yahballaha, he or another of the same name was looked on as Patriarch. Yahballaha's successor, Shimun IX Dinkha (1580-1600), who moved away from Turkish rule to Salmas on Lake Urmia in Persia, was officially confirmed by the Pope in 1584. There are theories that he appointed his nephew, Shimun X Eliyah (1600–1638) as his successor, but others argue that his election was independent of any such designation. Regardless, from then until the 21st century the Shimun line employed a hereditary system of succession – the rejection of which was part of the reason for the creation of that line in the first place.


Two Nestorian patriarchs

The next Eliya Patriarch, Eliya VII (VIII) (1591–1617), negotiated on several occasions with the Catholic Church, in 1605, 1610 and 1615–1616, but without final resolution. This likely alarmed Shimun X, who in 1616 sent to Rome a profession of faith that Rome found unsatisfactory, and another in 1619, which also failed to win him official recognition. Wilmshurst says it was this Shimun Patriarch who reverted to the "old faith" of Nestorianism, leading to a shift in allegiances that won for the Eliya line control of the lowlands and of the highlands for the Shimun line. Further negotiations between the Eliya line and the Catholic Church were cancelled during the Patriarchal tenure of
Eliya VIII Eliya VIII ( syr, ܐܠܝܐ / ''Elīyā'', d. 18 June 1660) was Patriarch of the Church of the East from 1617 to 1660, with residence in Rabban Hormizd Monastery, near Alqosh, in modern Iraq. On several occasions (1619, 1629, 1638, 1653) he was a ...
(IX) (1617–1660). The next two Shimun Patriarchs,
Shimun XI Eshuyow Mar Shimun XI Eshuyow was the sixth Patriarch of the Chaldean Catholic Church, from 1638 to 1656. He succeeded Patriarch Shimun X Eliyah, The seat of the patriarchate of Babylon of the Chaldean Catholic church being in Salmas during his reign. ...
(1638–1656) and Shimun XII Yoalaha (1656–1662), wrote to the Pope in 1653 and 1658, according to Wilmshurst, while Heleen Murre speaks only of 1648 and 1653. Wilmshurst says Shimun XI was sent the
pallium The pallium (derived from the Roman ''pallium'' or ''palla'', a woolen cloak; : ''pallia'') is an ecclesiastical vestment in the Catholic Church, originally peculiar to the pope, but for many centuries bestowed by the Holy See upon metropol ...
, though Heleen Murre argues official recognition was given to neither. A letter suggests that one of the two was removed from office (presumably by Nestorian traditionalists) for pro-Catholic leanings: Shimun XI according to Heleen Murre, probably Shimun XII according to Wilmshurst.
Eliya IX Eliya IX ( syr, ܐܠܝܐ / ''Elīyā'', died 17 May 1700) was Patriarch of the Church of the East from 1660 to 1700, with his residence in Rabban Hormizd Monastery, near Alqosh, in modern Iraq. He was a "vigorous defender of the traditional fait ...
(X) (1660–1700) was a "vigorous defender of the traditional estorianfaith", and simultaneously the next Shimun Patriarch,
Shimun XIII Dinkha Mar Shimun XIII Dinkha was Patriarch of the Chaldean Catholic Church carrying the title Patriarch of Babylon between 1662 and 1692 in communion with Rome and residing in Khosrau-Abad near Salmas. He was the last in the hereditary Shimun line of ...
(1662–1700), definitively broke with the Catholic Church. In 1670, he gave a traditionalist reply to an approach that was made from Rome, and by 1672 all connections with the Pope were ended. There were then two traditionalist Patriarchal lines, the senior Eliya line in Alqosh, and the junior Shimun line in Qochanis.


The Josephite line

As the Shimun line "gradually returned to the traditional worship of the Church of the East, thereby losing the allegiance of the western regions", it moved from Turkish-controlled territory to
Urmia Urmia or Orumiyeh ( fa, ارومیه, Variously transliterated as ''Oroumieh'', ''Oroumiyeh'', ''Orūmīyeh'' and ''Urūmiyeh''.) is the largest city in West Azerbaijan Province of Iran and the capital of Urmia County. It is situated at an al ...
in
Persia Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
. The bishopric of Amid (
Diyarbakır Diyarbakır (; ; ; ) is the largest Kurdish-majority city in Turkey. It is the administrative center of Diyarbakır Province. Situated around a high plateau by the banks of the Tigris river on which stands the historic Diyarbakır Fortres ...
), the original headquarters of Shimun Sulaqa, became subject to the Alqosh Patriarch. In 1667 or 1668, Bishop
Joseph Joseph is a common male given name, derived from the Hebrew Yosef (יוֹסֵף). "Joseph" is used, along with "Josef", mostly in English, French and partially German languages. This spelling is also found as a variant in the languages of the m ...
of that see converted to the Catholic faith. In 1677, he obtained from the Turkish authorities recognition as holding independent power in Amid and
Mardin Mardin ( ku, Mêrdîn; ar, ماردين; syr, ܡܪܕܝܢ, Merdīn; hy, Մարդին) is a city in southeastern Turkey. The capital of Mardin Province, it is known for the Artuqid architecture of its old city, and for its strategic location ...
, and in 1681 he was recognised by Rome as "Patriarch of the Chaldean nation deprived of its Patriarch" (Amid patriarchate). Thus was instituted the Josephite line, a third line of Patriarchs and the sole Catholic one at the time. All Joseph I's successors took the name "Joseph". The life of this Patriarchate was difficult: the leadership was continually vexed by traditionalists, while the community struggled under the tax burden imposed by the Ottoman authorities. In 1771,
Eliya XI Eliya XI ( syr, ܐܠܝܐ / ''Elīyā'', 1700 - April 1778) was Patriarch of the Church of the East from 1722 to 1778, with his residence in Rabban Hormizd Monastery, near Alqosh, in modern Iraq. His father, the priest Hoshaba, was the brother of ...
(XII) and his designated successor (the future Eliya XII (XIII) Ishoyahb) made a profession of faith that was accepted by Rome, thus establishing communion. By then, acceptance of the Catholic position was general in the
Mosul Mosul ( ar, الموصل, al-Mawṣil, ku, مووسڵ, translit=Mûsil, Turkish: ''Musul'', syr, ܡܘܨܠ, Māwṣil) is a major city in northern Iraq, serving as the capital of Nineveh Governorate. The city is considered the second larg ...
area. When
Eliya XI Eliya XI ( syr, ܐܠܝܐ / ''Elīyā'', 1700 - April 1778) was Patriarch of the Church of the East from 1722 to 1778, with his residence in Rabban Hormizd Monastery, near Alqosh, in modern Iraq. His father, the priest Hoshaba, was the brother of ...
(XII) died in 1778, Eliya XII (XIII) made a renewed profession of Catholic faith and was recognised by Rome as Patriarch of Mosul, but in May 1779 renounced that profession in favor of the traditional faith. His younger cousin Yohannan Hormizd was locally elected to replace him in 1780, but for various reasons was recognised by Rome only as Metropolitan of Mosul and Administrator of the Catholics of the Alqosh party, having the powers of a Patriarch but not the title or insignia. When Joseph IV of the Amid Patriarchate resigned in 1780, Rome likewise made his nephew, Augustine Hindi, whom he wished to be his successor, not Patriarch but Administrator. No one held the title of Chaldean Catholic patriarch for the next 47 years.


Consolidation of patriarchal lines

When Eliya XII (XIII) died in 1804, the Nestorian branch of the Eliya line died with him. With most of his subjects won over to union with Rome by Hormizd, they did not elect a new traditionalist Patriarch. In 1830, Hormizd was finally recognized as the Chaldean Catholic Patriarch of Babylon, marking the last remnant of the hereditary system within the Chaldean Catholic Church. This also ended the rivalry between the senior Eliya line and the junior Shimun line, as
Shimun XVI Yohannan Mar Shimun XVI Yohannan (also Shemon XVI Yohannan) was Patriarch of the Shem'on line ( Qodshanis) of the Church of the East, from 1780. In 1804, he became the sole Patriarch among traditionalist Christians of the East Syriac Rite, because the riv ...
(1780–1820) became the sole primate of the traditionalist Church of the East, "the legal successor of the initially Uniate patriarchate of the himunline". In 1976, it adopted the name
Assyrian Church of the East The Assyrian Church of the East,, ar, كنيسة المشرق الآشورية sometimes called Church of the East, officially the Holy Apostolic Catholic Assyrian Church of the East,; ar, كنيسة المشرق الآشورية الرسول� ...
,Fred Aprim, "Assyria and Assyrians Since the 2003 US Occupation of Iraq"
/ref> and its patriarchate remained hereditary until the death in 1975 of Shimun XXI Eshai. Accordingly, Joachim Jakob remarks that the original Patriarchate of the Church of the East (the Eliya line) entered into union with Rome and continues down to today in the form of the Chaldean atholicChurch, while the original Patriarchate of the Chaldean Catholic Church (the Shimun line) continues today in the Assyrian Church of the East.


See also


References

Informational notes Citations Bibliography * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *


External links

{{Authority control Christian organizations established in the 1st century 1552 disestablishments in Asia