 | 1900 | 1901 | 1902 |  |
Date | Country | Change |
| 1901 |  Syria | Diocese of Syria (Chaldean Rite) was established (without ecclesiastical province) |
| 1901.02.09 |  Vanuatu | Apostolic Prefecture of New Hebrides was established (from Apostolic Vicariate of Nouvelle-Calédonie) |
| 1901.04.15 |  Vietnam | Apostolic Vicariate of Coastal Tonking was established (from Apostolic Vicariate of Eastern Tonking) |
| 1901.05.25 |  Benin | Apostolic Prefecture of Dahomey was promoted as Apostolic Vicariate of Dahomey |
| 1901.05.25 |  Ghana | Apostolic Prefecture of Gold Coast was promoted as Apostolic Vicariate of Gold Coast |
| 1901.05.30 |  USA | Diocese of Altoona was established (from Diocese of Harrisburg and Diocese of Pittsburgh and became suffragan of Philadelphia) |
| 1901.07.03 |  Canada | Apostolic Vicariate of Athabaska Mackenzie was renamed as Apostolic Vicariate of Athabaska (lost territory to establish Apostolic Vicariate of Mackenzie) |
| 1901.07.03 | Canada | Apostolic Vicariate of Mackenzie was established (from Apostolic Vicariate of Athabaska Mackenzie and became suffragan of Saint-Boniface) |
| 1901.07.16 |  Chile | Apostolic Prefecture of Araucanía was established (from Diocese of Concepción and Diocese of San Carlos de Ancud) |
| 1901.07.19 |  Algeria | Apostolic Prefecture of Ghardaïa was established (from Apostolic Vicariate of Sahara and Sudan) |
| 1901.07.19 |  Mali | Apostolic Vicariate of Sahara and Sudan was renamed as Apostolic Vicariate of French Sudan (lost territory to establish Apostolic Prefecture of Ghardaïa) |
| 1901.07.26 |  Congo-Kinshasa | Mission sui juris of Kasaï Supérieur was established (from Apostolic Vicariate of Congo Belge) |
© 2026 GCatholic.org
|
