Nestorianism

=== Assyrian Church of the East ===
[[File:Church of Saint Mary - Urmia - Iran - کلیسای ننه مریم، ارومیه - ایران.jpg|thumb|upright=0.9|[[St. Mary Church, Urmia|Saint Mary Church]]: an ancient [[Assyrian Church of the East|Assyrian]] church located in the city of [[Urmia]], [[West Azerbaijan Province]], [[Iran]].]]

In a 1996 article published in the ''[[Bulletin of the John Rylands Library]]'', [[Fellow of the British Academy]] [[Sebastian Brock]] wrote: "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 the fuller title 'The [[Assyrian Church of the East]]'. The Common Christological Declaration between the Catholic Church and the Assyrian Church of the East signed by Pope [[John Paul II]] and Mar [[Dinkha IV]] underlines the Chalcedonian Christological formulation as the expression of the common faith of these Churches and recognizes the legitimacy of the title ''Theotokos''."<ref>{{cite web |title=Common Christological Declaration between the Catholic Church and the Assyrian Church of the East |url=https://www.vatican.va/roman_curia/pontifical_councils/chrstuni/documents/rc_pc_chrstuni_doc_11111994_assyrian-church_en.html |access-date=8 February 2020}}</ref>

In a 2017 paper, [[Mar Awa Royel]], Bishop of the [[Assyrian Church of the East|Assyrian Church]], stated the position of that church: "After the Council of Ephesus (431), when Nestorius the patriarch of Constantinople was condemned for his views on the unity of the Godhead and the humanity in Christ, the Church of the East was branded as 'Nestorian' on account of its refusal to anathematize the patriarch."<ref>{{Cite web |url=https://bethkokheh.assyrianchurch.org/articles/855 |title=The Assyrian Church of the East: A Panoramic View of a Glorious History- Mar Awa Royel |date=2017-10-04 |website=Church of Beth Kokheh Journal |language=en-AU |access-date=2019-10-25}}</ref>

Several historical records suggest that the Assyrian Church of the East may have been in Sri Lanka between the mid-5th and 6th centuries.<ref name="Assyrian Church News"/><ref name="Sunday Times"/><ref name="Main interest"/>