 | 1947 | 1948 | 1949 |  |
Date | Country | Change |
| 1948 |  China | Apostolic Prefecture of Yongzhoufu 永州府 was renamed as Apostolic Prefecture of Yongzhou 永州 |
| 1948 |  Ukraine | Titular Episcopal See of Sugdæa was promoted as Titular Metropolitan See of Sugdæa |
| 1948.01.08 |  Tanzania | Apostolic Prefecture of Iringa was promoted as Apostolic Vicariate of Iringa |
| 1948.01.19 |  Canada | Apostolic Exarchate of Canada (Ukrainian Rite) was renamed as Apostolic Exarchate of Central Canada (lost territory to establish Apostolic Exarchate of Eastern Canada and Apostolic Exarchate of Western Canada) |
| 1948.01.19 | Canada | Apostolic Exarchate of Eastern Canada (Ukrainian Rite) was established (from Apostolic Exarchate of Canada) |
| 1948.01.19 | Canada | Apostolic Exarchate of Western Canada (Ukrainian Rite) was established (from Apostolic Exarchate of Canada) |
| 1948.01.31 |  France | Diocese of Marseille was promoted as Archdiocese of Marseille (without ecclesiastical province) |
| 1948.02.05 |  Australia | Archdiocese of Canberra and Goulburn was established (from the suppressed Diocese of Goulburn and without ecclesiastical province) |
| 1948.02.05 | Australia | Diocese of Goulburn was suppressed (to establish Archdiocese of Canberra and Goulburn) |
| 1948.02.12 |  Congo-Kinshasa | Apostolic Prefecture of Ipamu was promoted as Apostolic Vicariate of Ipamu |
| 1948.02.12 |  Cook Islands,  Niue | Apostolic Prefecture of Cook Islands was promoted as Apostolic Vicariate of Cook Islands |
| 1948.02.12 |  Nigeria | Apostolic Vicariate of Onitsha–Owerri was renamed as Apostolic Vicariate of Onitsha (lost territory to establish Apostolic Vicariate of Owerri) |
| 1948.02.12 | Nigeria | Apostolic Vicariate of Owerri was established (from Apostolic Vicariate of Onitsha–Owerri) |
| 1948.02.12 |  South Africa | Apostolic Vicariate of Bethlehem was established (from Apostolic Vicariate of Kroonstad) |
| 1948.02.28 |  Ecuador | Diocese of Ambato was established (from Metropolitan Archdiocese of Quito and became suffragan of Quito) |
| 1948.03.01 |  Croatia | Diocese of Šibenik lost territory to Archdiocese of Zadar |
| 1948.03.07 |  Peru | Territorial Prelature of Moyobamba was established (from Diocese of Chachapoyas and became suffragan of Trujillo) |
| 1948.03.11 |  Indonesia | Apostolic Prefecture of Sintang was established (from Apostolic Vicariate of Pontianak) |
| 1948.03.11 |  Paraguay | Apostolic Vicariate of Chaco Paraguayo was established (from Diocese of Concepción y Chaco) |
| 1948.04.09 | Croatia | Titular Episcopal See of Alba marittima was restored (from the suppressed former Titular Episcopal See of Belogradum) |
| 1948.04.09 |  Serbia | Titular Episcopal See of Belogradum was suppressed (to Archdiocese of Beograd and to establish Titular Episcopal See of Alba marittima) |
| 1948.04.09 | South Africa | Apostolic Vicariate of Transvaal was renamed as Apostolic Vicariate of Johannesburg (lost territory to establish Apostolic Vicariate of Pretoria) |
| 1948.04.09 | South Africa | Apostolic Vicariate of Pretoria was established (from Apostolic Vicariate of Kimberley in South Africa and Apostolic Vicariate of Transvaal) |
| 1948.04.09 | South Africa | Apostolic Prefecture of Queenstown was promoted as Apostolic Vicariate of Queenstown |
| 1948.04.24 |  Italy | Diocese of Fidenza exchanged territory with Diocese of Parma |
| 1948.04.24 | Italy | Diocese of Parma exchanged territory with Diocese of Fidenza |
| 1948.05.13 |  Benin | Apostolic Vicariate of Dahomey was renamed as Apostolic Vicariate of Ouidah |
| 1948.05.13 | Benin | Apostolic Prefecture of Parakou was established (from Apostolic Prefecture of Niamey) |
| 1948.05.13 | China | Apostolic Prefecture of Lishui 麗水 was promoted as Diocese of Lishui 麗水 (became suffragan of Hangzhou 杭州) |
| 1948.05.13 | Indonesia | Apostolic Prefecture of Makassar was promoted as Apostolic Vicariate of Makassar |
| 1948.05.19 |  Brazil | Territorial Abbacy of Nossa Senhora do Monserrate do Rio de Janeiro was restored (from Territorial Prelature of Rio Branco) |
| 1948.05.20 |  Pakistan | Diocese of Karachi was established (from Metropolitan Archdiocese of Bombay and became suffragan of Bombay) |
| 1948.05.22 | Italy | Diocese of Ostia lost territory to Papal See of Roma |
| 1948.06.10 |  Algeria | Apostolic Prefecture of Ghardaïa nel Sahara was promoted as Apostolic Vicariate of Ghardaïa nel Sahara |
| 1948.06.10 |  Philippines | Apostolic Prefecture of Mountain Provinces was promoted as Apostolic Vicariate of Mountain Provinces |
| 1948.06.10 |  Uganda | Apostolic Vicariate of Kampala was established (from Apostolic Vicariate of Upper Nile) |
| 1948.07.08 | Congo-Kinshasa | Apostolic Prefecture of Basankusu was promoted as Apostolic Vicariate of Basankusu |
| 1948.07.08 | Congo-Kinshasa | Apostolic Prefecture of Lac Moero was established (from Apostolic Vicariate of Lulua Katanga) |
| 1948.07.08 | Congo-Kinshasa | Apostolic Vicariate of Lulua Katanga was renamed as Apostolic Vicariate of Lulua (lost territory to establish Apostolic Prefecture of Lac Moero) |
| 1948.07.15 | Ecuador | Apostolic Vicariate of Los Ríos was established (from Diocese of Guayaquil) |
| 1948.07.17 | Canada | Diocese of Saint-Paul was established (from Metropolitan Archdiocese of Edmonton and became suffragan of Edmonton) |
| 1948.08.07 | Brazil | Diocese of Caruaru was established (from Metropolitan Archdiocese of Olinda e Recife and became suffragan of Olinda e Recife) |
| 1948.11.11 | Indonesia | Apostolic Vicariate of Dutch Timor was renamed as Apostolic Vicariate of Atambua |
| 1948.12.09 | China | Apostolic Prefecture of Dali 大理 was promoted as Diocese of Dali 大理 |
| 1948.12.09 | Indonesia | Apostolic Prefecture of Sukabumi was established (from Apostolic Vicariate of Batavia) |
| 1948.12.09 | South Africa | Apostolic Prefecture of Lydenburg was promoted as Apostolic Vicariate of Lydenburg |
| 1948.12.09 | South Africa | Apostolic Prefecture of Oudtshoorn was promoted as Apostolic Vicariate of Oudtshoorn |
| 1948.12.11 | Philippines | Diocese of San Fernando was established (from Metropolitan Archdiocese of Manila and became suffragan of Manila) |
| 1948.12.11 |  USA | Diocese of Joliet was established (from Metropolitan Archdiocese of Chicago, Diocese of Peoria and Diocese of Rockford and became suffragan of Chicago) |
© 2026 GCatholic.org
|
