 | 1846 | 1847 | 1848 |  |
Date | Country | Change |
| 1847 |  Armenia,  Azerbaijan | Archdiocese of Nachitschewan was suppressed |
| 1847 |  Australia | Apostolic Vicariate of King George Sounde - The Sound was suppressed (to Diocese of Adelaide and Diocese of Perth) |
| 1847 |  Eritrea,  Ethiopia | Apostolic Prefecture of Abyssinia was promoted as Apostolic Vicariate of Abyssinia |
| 1847.03.14 |  Italy | Diocese of Udine was promoted as Metropolitan Archdiocese of Udine |
| 1847.04.23 |  USA | Diocese of Albany was established (from Diocese of New York and became suffragan of Baltimore) |
| 1847.04.23 | USA | Diocese of Buffalo was established (from Diocese of New York and became suffragan of Baltimore) |
| 1847.04.23 | USA | Diocese of Cleveland was established (from Diocese of Cincinnati and became suffragan of Baltimore) |
| 1847.05.04 | USA | Apostolic Vicariate of Texas was promoted as Diocese of Galveston (became suffragan of Baltimore) |
| 1847.05.27 | Australia | Apostolic Vicariate of Essington was promoted as Diocese of Victoria |
| 1847.06.04 |  Canada | Apostolic Vicariate of Newfoundland was promoted as Diocese of Newfoundland (became suffragan of Québec) |
| 1847.06.04 | Canada | Apostolic Vicariate of North West was promoted as Diocese of North West (became suffragan of Québec) |
| 1847.06.25 | Australia | Diocese of Maitland was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney) |
| 1847.06.25 | Australia | Diocese of Melbourne was established (from Metropolitan Archdiocese of Sydney and became suffragan of Sydney) |
| 1847.06.25 |  Bolivia | Diocese of Cochabamba was established (from Metropolitan Archdiocese of La Plata and Diocese of Santa Cruz de la Sierra and became suffragan of La Plata) |
| 1847.06.25 | Canada | Diocese of Bytown was established (from Diocese of Kingston and became suffragan of Québec) |
| 1847.07.11 | USA | Apostolic Vicariate of Sandwich Islands was renamed as Apostolic Vicariate of Hawaiian Islands |
| 1847.07.20 | USA | Diocese of Saint Louis was promoted as Metropolitan Archdiocese of Saint Louis (with suffragan see Dubuque) |
| 1847.07.23 |  New Caledonia | Apostolic Vicariate of Nouvelle-Calédonie was established (from Apostolic Vicariate of Central Oceania) |
| 1847.07.30 |  South Africa | Apostolic Vicariate of Cape of Good Hope, Eastern District was established (from Apostolic Vicariate of Cape of Good Hope and Saint Helena Island) |
| 1847.07.30 | South Africa | Apostolic Vicariate of Cape of Good Hope and Saint Helena Island was renamed as Apostolic Vicariate of Cape of Good Hope, Western District (lost territory to establish Apostolic Vicariate of Cape of Good Hope, Eastern District) |
| 1847.10.04 |  Palestine,  Cyprus,  Israel,  Jordan | Patriarchal See of Jerusalem was restored (from Apostolic Vicariate of Aleppo) |
| 1847.12.07 |  Mauritius,  British Indian Ocean Territory | Apostolic Vicariate of Mauritius was promoted as Diocese of Port-Louis (without ecclesiastical province) |
© 2026 GCatholic.org
|
