Editing Theodosius I (section)

== Veneration ==
Theodosius the Great is venerated in [[Eastern Orthodox Church|Eastern]] and [[Oriental Orthodox Churches|Oriental]] Orthodox Churches:

* 18 January – Ethiopian Church commemorates Theodosius, the righteous emperor,<ref>{{Cite web |title=The Ethiopian Synaxarium |url=https://www.tewahedo.dk/litt/cached/The_Ethiopian_Synaxarium.pdf |access-date=17 January 2023 |archive-date=25 August 2022 |archive-url=https://web.archive.org/web/20220825213718/https://www.tewahedo.dk/litt/cached/The_Ethiopian_Synaxarium.pdf |url-status=dead }}</ref>
* 18 January – Eastern Orthodox Church commemoration,<ref>{{Cite web |title=Emperor Theodosius the Great |url=https://www.oca.org/saints/lives/2013/01/17/109027-emperor-theodosius-the-great |access-date=17 January 2023 |website=www.oca.org}}</ref><ref name="ФЕОДОСИЙ I ВЕЛИКИЙ – Древо">{{Cite web |title=ФЕОДОСИЙ I ВЕЛИКИЙ – Древо |url=http://drevo-info.ru/articles/1296.html |access-date=17 January 2023 |website=drevo-info.ru |language=ru}}</ref><ref>{{Cite web |title=Благоверный Феодо́сий I Великий, император |url=https://azbyka.ru/days/sv-feodosij-i-velikij-imperator |access-date=17 January 2023 |website=Православный Церковный календарь |language=ru}}</ref><ref>{{Cite web |title=Record {{!}} The Cult of Saints |url=http://csla.history.ox.ac.uk/record.php?recid=E02885 |access-date=17 January 2023 |website=csla.history.ox.ac.uk}}</ref>
* 19 January – [[Armenian Apostolic Church]],<ref>{{Cite web |title=Armenian Church News |url=https://armenianchurch.org.uk/wp-content/uploads/2021/01/E-NEWSLETTER-VOLUME-7-ISSUE-1.pdf}}</ref>

Emperor (king) Theodosius is commemorated in [[Armenian Apostolic Church|Armenian]] [[Anaphora (liturgy)|Anaphora]] with [[List of royal saints and martyrs|saint kings]]: [[Abgar V|Abgar]], [[Constantine the Great|Constantine]] and [[Tiridates III of Armenia|Tiridates]].<ref>{{Cite web |date=30 October 2019 |title=Divine Liturgy |url=https://stjohnarmenianchurch.com/content/divine-liturgy |access-date=17 January 2023 |website=St. John |language=en}}</ref>

In Eastern Orthodox Church he is commemorated as [[ktetor]] of [[Vatopedi]] and donator of Vatopedi icon of the Mother of God.<ref name="ФЕОДОСИЙ I ВЕЛИКИЙ – Древо"/>