 | 1933 | 1934 | 1935 |  |
Date | Country | Change |
| 1934 |  Greece | Titular Episcopal See of Velicia was renamed as Titular Episcopal See of Velicia |
| 1934 |  India | Mission sui juris of Ahmedabad was established (from Metropolitan Archdiocese of Bombay) |
| 1934 |  Italy | Diocese of Trieste lost territory to Diocese of Rijeka–Opatija |
| 1934.02.01 |  Indonesia | Apostolic Prefecture of Celebes was promoted as Apostolic Vicariate of Celebes |
| 1934.02.03 |  Brazil | Territorial Prelature of Gurupi was renamed as Territorial Prelature of Guamá |
| 1934.02.10 |  Poland | Apostolic Administration of Łemkowszczyzna (Ukrainian Rite) was established (from Diocese of Przemyśl) |
| 1934.02.26 |  Congo-Kinshasa | Apostolic Vicariate of Boma was established (from Apostolic Vicariate of Léopoldville) |
| 1934.02.26 | Congo-Kinshasa | Apostolic Prefecture of Lulua Katanga was promoted as Apostolic Vicariate of Lulua Katanga |
| 1934.02.26 |  Ghana | Apostolic Prefecture of Navrongo was promoted as Apostolic Vicariate of Navrongo |
| 1934.04.09 | Congo-Kinshasa | Mission sui juris of Beni in Belgian Congo was established (from Apostolic Vicariate of Stanley Falls) |
| 1934.04.09 |  Hungary | Diocese of Hajdúdorog (Hungarian Rite) lost territory to Metropolitanate sui juris of Făgăraş şi Alba Iulia, Diocese of Maramureş and Diocese of Oradea Mare |
| 1934.04.09 |  Liberia | Apostolic Prefecture of Liberia was promoted as Apostolic Vicariate of Liberia |
| 1934.04.09 |  Nigeria | Apostolic Prefecture of Jos was established (from Apostolic Prefecture of Northern Nigeria) |
| 1934.04.09 | Nigeria | Apostolic Prefecture of Northern Nigeria was renamed as Apostolic Prefecture of Kaduna (lost territory to establish Apostolic Prefecture of Jos) |
| 1934.04.09 |  South Africa | Apostolic Prefecture of Cape of Good Hope, Central District lost territory to Apostolic Vicariate of Cape of Good Hope, Western District |
| 1934.04.09 | South Africa | Mission sui juris of Queenstown lost territory to Apostolic Prefecture of Gariep |
| 1934.04.20 |  Argentina | Diocese of Azul was established (from Diocese of La Plata and became suffragan of La Plata) |
| 1934.04.20 | Argentina | Diocese of Bahía Blanca was established (from Diocese of La Plata and became suffragan of La Plata) |
| 1934.04.20 | Argentina | Diocese of Córdoba was promoted as Metropolitan Archdiocese of Córdoba (with suffragan see Río Cuarto and lost territory to establish Diocese of La Rioja and Diocese of Río Cuarto) |
| 1934.04.20 | Argentina | Diocese of Jujuy was established (from Diocese of Salta and became suffragan of Salta) |
| 1934.04.20 | Argentina | Diocese of La Plata was promoted as Metropolitan Archdiocese of La Plata (with suffragan sees Azul, Bahía Blanca and Viedma and lost territory to establish Diocese of Azul, Diocese of Bahía Blanca and Diocese of Mercedes) |
| 1934.04.20 | Argentina | Diocese of La Rioja was established (from Diocese of Córdoba and became suffragan of San Juan de Cuyo) |
| 1934.04.20 | Argentina | Diocese of Mendoza was established (from Diocese of San Juan de Cuyo and became suffragan of San Juan de Cuyo) |
| 1934.04.20 | Argentina | Diocese of Mercedes was established (from Diocese of La Plata and became suffragan of Buenos Aires) |
| 1934.04.20 | Argentina | Diocese of Paraná was promoted as Metropolitan Archdiocese of Paraná |
| 1934.04.20 | Argentina | Diocese of Rosario was established (from Diocese of Santa Fe and became suffragan of Santa Fe) |
| 1934.04.20 | Argentina | Diocese of Río Cuarto was established (from Diocese of Córdoba and became suffragan of Córdoba) |
| 1934.04.20 | Argentina | Diocese of Salta was promoted as Metropolitan Archdiocese of Salta (with suffragan sees Catamarca and Jujuy and lost territory to establish Diocese of Jujuy) |
| 1934.04.20 | Argentina | Diocese of San Juan de Cuyo was promoted as Metropolitan Archdiocese of San Juan de Cuyo (with suffragan sees La Rioja, Mendoza and San Luis and lost territory to establish Diocese of Mendoza and Diocese of San Luis) |
| 1934.04.20 | Argentina | Diocese of San Luis was established (from Diocese of San Juan de Cuyo and became suffragan of San Juan de Cuyo) |
| 1934.04.20 | Argentina | Diocese of Santa Fe was promoted as Metropolitan Archdiocese of Santa Fe (with suffragan sees Rosario, Santiago del Estero and Tucumán and lost territory to establish Diocese of Rosario) |
| 1934.04.20 | Argentina | Diocese of Viedma was restored (from Metropolitan Archdiocese of Buenos Aires and became suffragan of La Plata) |
| 1934.04.21 | Brazil | Abbacy nullius of Nossa Senhora do Monserrate do Rio de Janeiro was suppressed (to establish Apostolic Administration of Rio Branco) |
| 1934.04.21 | Brazil | Apostolic Administration of Rio Branco was established (from the suppressed Abbacy nullius of Nossa Senhora do Monserrate do Rio de Janeiro) |
| 1934.04.28 |  Philippines | Diocese of Cebu was promoted as Metropolitan Archdiocese of Cebu (with suffragan see Calbayog) |
| 1934.05.28 |  Cameroon | Apostolic Prefecture of Foumban was promoted as Apostolic Vicariate of Foumban |
| 1934.05.28 |  China | Apostolic Prefecture of Chenzhou 辰州 was promoted as Apostolic Vicariate of Chenzhou 辰州 |
| 1934.05.28 |  Thailand | Mission sui juris of Rajaburi was promoted as Apostolic Prefecture of Rajaburi |
| 1934.05.28 |  Uganda | Apostolic Vicariate of Ruwenzori was established (from Apostolic Vicariate of Uganda) |
| 1934.07.09 | India | Apostolic Prefecture of Assam was promoted as Diocese of Shillong (became suffragan of Calcutta) |
| 1934.07.09 | Nigeria | Apostolic Prefecture of Benue was established (from Apostolic Vicariate of Northern Nigeria) |
| 1934.07.09 | Nigeria | Apostolic Prefecture of Calabar was established (from Apostolic Vicariate of Northern Nigeria) |
| 1934.07.09 | Nigeria | Apostolic Vicariate of Southern Nigeria was renamed as Apostolic Vicariate of Onitsha–Owerri |
| 1934.07.28 | Brazil | Diocese of Mossoró was established (from Diocese of Natal and became suffragan of Paraíba) |
| 1934.08.16 | Brazil | Territorial Prelature of Xingu was established (from Metropolitan Archdiocese of Belém do Pará, Territorial Prelature of Santarém and Territorial Prelature of Santíssima Conceição do Araguaia and became suffragan of Belém do Pará) |
| 1934.09.08 | Brazil | Diocese of Caxias was established (from Metropolitan Archdiocese of Porto Alegre and became suffragan of Porto Alegre) |
| 1934.09.08 | Brazil | Territorial Prelature of Vacaria was established (from Metropolitan Archdiocese of Porto Alegre and became suffragan of Porto Alegre) |
| 1934.09.15 | Italy | Diocese of Loreto was suppressed (to Diocese of Recanati–Loreto) |
| 1934.09.15 | Italy | Diocese of Recanati was renamed as Diocese of Recanati–Loreto (gained territory from the suppressed Diocese of Loreto) |
| 1934.11.12 | China | Apostolic Vicariate of Caozhoufu 曹州府 was established (from Apostolic Vicariate of Yanzhoufu 兗州府) |
| 1934.12.10 | China | Mission sui juris of Wuzhou 梧州 was promoted as Apostolic Prefecture of Wuzhou 梧州 |
| 1934.12.10 | China | Apostolic Vicariate of Chenzhou 辰州 was renamed as Apostolic Vicariate of Yuanling 沅陵 |
| 1934.12.10 | Uganda | Apostolic Prefecture of Equatorial Nile was promoted as Apostolic Vicariate of Equatorial Nile |
© 2026 GCatholic.org
|
