Changes in Ecclesiastical Circumscriptions of the Ethiopic Church

Date	Country	Change
1839	Ethiopia	Apostolic Prefecture of Abyssinia (Ethiopic Rite) was established (from Apostolic Vicariate of Syria, Egypt, Arabia and Cyprus)
1847	Ethiopia	Apostolic Prefecture of Abyssinia (Ethiopic Rite) was promoted as Apostolic Vicariate of Abyssinia
1930.07.04	Eritrea	Ordinariate of Eritrea (Ethiopic Rite) was established
1937.03.25	Ethiopia	Apostolic Vicariate of Abyssinia (Ethiopic Rite) was renamed as Apostolic Vicariate of Addis Abeba (lost territory to establish Apostolic Prefecture of Dessié and Apostolic Prefecture of Gondar)
1937.03.25	Ethiopia	Apostolic Prefecture of Tigray (Ethiopic Rite) was established
1951.10.31	Eritrea	Ordinariate of Eritrea (Ethiopic Rite) was promoted as Apostolic Exarchate of Asmara
1951.10.31	Ethiopia	Apostolic Vicariate of Addis Abeba (Ethiopic Rite) was promoted as Apostolic Exarchate of Addis Abeba (gained territory from the suppressed Apostolic Prefecture of Dessié, Apostolic Prefecture of Endeber and Apostolic Prefecture of Gondar)
1961.02.20	Eritrea	Apostolic Exarchate of Asmara (Ethiopic Rite) was promoted as Diocese of Asmara
1961.02.20	Ethiopia	Apostolic Exarchate of Addis Abeba (Ethiopic Rite) was promoted as Metropolitan Archdiocese of Addis Abeba
1961.02.20	Ethiopia	Apostolic Prefecture of Tigray (Ethiopic Rite) was promoted as Diocese of Adigrat
1995.12.21	Eritrea	Diocese of Barentu (Ethiopic Rite) was established (from Diocese of Asmara, and from the suppressed Apostolic Vicariate of Asmara)
1995.12.21	Eritrea	Diocese of Keren (Ethiopic Rite) was established (from Diocese of Asmara, and from the suppressed Apostolic Vicariate of Asmara)
2003.11.25	Ethiopia	Diocese of Emdeber (Ethiopic Rite) was established (from Metropolitan Archdiocese of Addis Abeba)
2012.02.24	Eritrea	Diocese of Segheneyti (Ethiopic Rite) was established (from Diocese of Asmara)