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September 18 (Eastern Orthodox liturgics)
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September 26 (Eastern Orthodox liturgics)
Greek Orthodox Archdiocese of America
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September 1 (Eastern Orthodox liturgics)
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St. Mary's Orthodox Valiyapally
Belarusian Orthodox Church
May 10 (Eastern Orthodox liturgics)
Serbian Orthodox Church in North and South America
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Orthodox Church of Alexandria
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May 18 (Eastern Orthodox liturgics)
Proto-orthodox Christianity
September 12 (Eastern Orthodox liturgics)
April 14 (Eastern Orthodox liturgics)
Degrees of Eastern Orthodox monasticism
Antiochian Orthodox Christian Archdiocese of North America
May 31 (Eastern Orthodox liturgics)
September 2 (Eastern Orthodox liturgics)
Orthodox Mennonites
May 6 (Eastern Orthodox liturgics)
September 5 (Eastern Orthodox liturgics)
List of Coptic Orthodox churches in Canada
May 22 (Eastern Orthodox liturgics)
June 11 (Eastern Orthodox liturgics)
Eastern Orthodox Patriarch
September 15 (Eastern Orthodox liturgics)
May 24 (Eastern Orthodox liturgics)
Orthodox Tewahedo biblical canon
List of Eastern Orthodox bishops and archbishops
May 17 (Eastern Orthodox liturgics)
September 6 (Eastern Orthodox liturgics)
Coptic Orthodox Church in Australia
September 13 (Eastern Orthodox liturgics)
Bulgarian Orthodox Church – Alternative synod
September 14 (Eastern Orthodox liturgics)
May 15 (Eastern Orthodox liturgics)
Macedonian Orthodox Diocese of Europe
Orthodox Christian Scout Association
List of Eastern Orthodox churches in Toronto
June 13 (Eastern Orthodox liturgics)
May 2 (Eastern Orthodox liturgics)
September 25 (Eastern Orthodox liturgics)
Orthodox Anglican Communion
Saint George Greek Orthodox Cathedral
April 8 (Eastern Orthodox liturgics)
Albanian Orthodox Archbishopric of Tirana-Durrës
May 27 (Eastern Orthodox liturgics)
May 21 (Eastern Orthodox liturgics)
September 27 (Eastern Orthodox liturgics)
March 27 (Eastern Orthodox liturgics)
April 28 (Eastern Orthodox liturgics)
May 4 (Eastern Orthodox liturgics)
List of Coptic Orthodox popes
Ukrainian Orthodox Church of Canada
September 10 (Eastern Orthodox liturgics)
April 23 (Eastern Orthodox liturgics)
April 1 (Eastern Orthodox liturgics)
May 19 (Eastern Orthodox liturgics)
May 3 (Eastern Orthodox liturgics)
Orthodox-Catholic Church of America
September 11 (Eastern Orthodox liturgics)
Ukrainian Autocephalous Orthodox Church Canonical
April 9 (Eastern Orthodox liturgics)
Greek Orthodox Patriarch of Jerusalem
April 4 (Eastern Orthodox liturgics)
May 28 (Eastern Orthodox liturgics)
Orthodox Church of the Czech Lands and Slovakia
April 3 (Eastern Orthodox liturgics)
September 23 (Eastern Orthodox liturgics)
April 21 (Eastern Orthodox liturgics)
September 7 (Eastern Orthodox liturgics)
Coptic Orthodox Church in Wales
March 28 (Eastern Orthodox liturgics)
April 25 (Eastern Orthodox liturgics)
June 18 (Eastern Orthodox liturgics)
May 30 (Eastern Orthodox liturgics)
Romanian Orthodox Episcopate of America
New Orthodox Synagogue (Košice)
April 20 (Eastern Orthodox liturgics)
Orthodox Archdiocese of Italy
September 20 (Eastern Orthodox liturgics)
June 20 (Eastern Orthodox liturgics)
June 19 (Eastern Orthodox liturgics)
Orthodox (album)
May 9 (Eastern Orthodox liturgics)
Annunciation Greek Orthodox Cathedral (Houston)
May 13 (Eastern Orthodox liturgics)
Indonesian Orthodox Church (Old Calendarist)
May 16 (Eastern Orthodox liturgics)
April 16 (Eastern Orthodox liturgics)
September 29 (Eastern Orthodox liturgics)
Orthodox schism
Ukrainian Orthodox Church
List of Serbian Orthodox monasteries
May 23 (Eastern Orthodox liturgics)
April 17 (Eastern Orthodox liturgics)
September 8 (Eastern Orthodox liturgics)
Ukrainian Orthodox Church of the USA
Oriental Orthodox Patriarch
May 11 (Eastern Orthodox liturgics)
September 3 (Eastern Orthodox liturgics)
April 19 (Eastern Orthodox liturgics)
September 30 (Eastern Orthodox liturgics)
American Carpatho-Russian Orthodox Diocese
May 8 (Eastern Orthodox liturgics)
Serbian Orthodox Eparchy of Eastern America
Anti-Orthodox
May 26 (Eastern Orthodox liturgics)
March 22 (Eastern Orthodox liturgics)
May 5 (Eastern Orthodox liturgics)
April 10 (Eastern Orthodox liturgics)
April 7 (Eastern Orthodox liturgics)
Estonian Apostolic Orthodox Church
June 16 (Eastern Orthodox liturgics)
September 19 (Eastern Orthodox liturgics)
April 18 (Eastern Orthodox liturgics)
May 1 (Eastern Orthodox liturgics)
June 5 (Eastern Orthodox liturgics)
April 24 (Eastern Orthodox liturgics)
Orthodox Patriarch of Antioch
June 1 (Eastern Orthodox liturgics)
October 1 (Eastern Orthodox liturgics)
November 1 (Eastern Orthodox liturgics)
September 17 (Eastern Orthodox liturgics)
September 16 (Eastern Orthodox liturgics)
Saint Vladimir's Orthodox Theological Seminary