Date | Country | Change |
| 1937.03.25 |  Ethiopia | Apostolic Prefecture of Tigray (Ethiopic Rite) was established (from the suppressed Apostolic Vicariate of Abyssinia) |
| 1951.10.31 | Ethiopia | Apostolic Exarchate of Addis Abeba (Ethiopic Rite) was established (from Apostolic Prefecture of Dessiè, Apostolic Prefecture of Endeber and Apostolic Prefecture of Gondar, from the suppressed Apostolic Vicariate of Addis Abeba and without ecclesiastical province) |
| 1961.02.20 | Ethiopia | Apostolic Exarchate of Addis Abeba (Ethiopic Rite) was promoted as Metropolitanate sui juris of Addis Abeba (with suffragan sees Adigrat and Asmara and gained territory from the suppressed Apostolic Prefecture of Dessiè, Apostolic Prefecture of Endeber and Apostolic Prefecture of Gondar) |
| 1961.02.20 | Ethiopia | Apostolic Prefecture of Tigray (Ethiopic Rite) was promoted as Diocese of Adigrat (became suffragan of Addis Abeba) |
| 2003.11.25 | Ethiopia | Diocese of Emdeber (Ethiopic Rite) was established (from Metropolitanate sui juris of Addis Abeba and became suffragan of Addis Abeba) |
| 2015.01.19 | Ethiopia | Diocese of Bahir Dar–Dessie (Ethiopic Rite) was established (from Metropolitanate sui juris of Addis Abeba and became suffragan of Addis Abeba) |
