| Date | From | To | ||
|---|---|---|---|---|
| unknown | Mission "Sui Iuris" ofKalumburu,Australia | Suppressed | Diocese ofBroome,Australia | Territory Added |
| 25 Jan | Diocese ofCruz del Eje,Argentina (Ischilin, Tulumba, Rio Seco, and Sobremonte) | Territory Lost | Territorial Prelature ofDeán Funes,Argentina | Erected |
| 29 Jan | Diocese ofLafayette, Louisiana,USA (Allen, Beauregard, Calcasieu, Cameron, and Jefferson Davis) | Territory Lost | Diocese ofLake Charles, Louisiana,USA | Erected |
| 29 Jan | Diocese ofOppido Mamertina-Palmi,Italy (Covala) | Territory Lost | Archdiocese ofReggio Calabria,Italy | Territory Added |
| 29 Jan | Archdiocese ofCosenza-Bisignano,Italy (San Giacomo) | Territory Lost | Diocese ofSan Marco Argentano-Scalea,Italy | Territory Added |
| 2 Feb | Archdiocese ofPorto Alegre, Rio Grande do Sul,Brazil (Canela, Campo Bom, Dois Irmâos, Estancia Velha, Gramado, Igrejinha, Ivoti, Nova Petrópolis, Nova Hamburg, Rolante, São Leopoldo, Sapiranga, Taquara, and Tres Coroas, along with Santo Antonio) | Territory Lost | Diocese ofNovo Hamburgo, Rio Grande do Sul,Brazil | Erected |
| 4 Feb | Territorial Prelature ofCiudad Real,Spain | Elevated | Diocese ofCiudad Real,Spain (and Latin name change) | Elevated |
| 14 Feb | Diocese ofGreat Falls, Montana,USA | Name Changed | Diocese ofGreat Falls-Billings, Montana,USA | Name Changed |
| 27 Feb | Opus Spiritus Sancti | Founded | ||
| 3 Mar | Diocese ofCádiz y Ceuta,Spain (La Ina and Torrecera and the southern part of Arcos) Archdiocese ofSevilla {Seville},Spain (Alcalá del Valle, Algar, Algodonales, Arcos de la Frontera, Benaocaz, Bornos, El Bosque, Chipiona, Espera, El Gastor, Grazalema, Jerez de la Frontera, Olvera, Prado del Rey, Puerto de Santa María, Puerto Serrano, Rota, Sanlúcar de Barrameda, Setenil, ...) | Territory Lost | Diocese ofJerez de la Frontera,Spain | Erected |
| 6 Mar | Diocese ofAuckland,New Zealand (Raglan, Waipa, Otorohanga, Taumarunui, Otinemuri, Piako, Matamata, Tauranga, Rotorua, Taupo, Opotiki, Waiapu, Waikohu, Cook, and part of Waikato) | Territory Lost | Diocese ofHamilton in New Zealand | Erected |
| 6 Mar | Archdiocese ofWellington,New Zealand (Clifton, Stratford, Inglewood, Taranaki, Egmont, Waitame West, Hawera, Eltham, Patea, Waitotara, Waimairino, Wanganui, Rangatikei, Kiwitea, Pohangina, Oroua, Manawatu, Kairanga, Eketahuna, Pohiatua, Woodville, Dannevirke, Waipukurau, Waipawa, ...) | Territory Lost | Diocese ofPalmerston North,New Zealand | Erected |
| 6 Mar | Diocese ofPatna,India (West Champaran, East Champaram, Gopan Ganj, Siwan, Saran, Vishali, Muzaffarpur, Sitamarhi, Madhubani, Darhanga, Samastipur, Saharsha, and Begusarai) | Territory Lost | Diocese ofMuzaffarpur,India | Erected |
| 6 Mar | Vicariate Apostolic ofHarar,Ethiopia (Arssi and Bale along with Butejira-Haigotch) | Territory Lost | Prefecture Apostolic ofMeki,Ethiopia | Erected |
| 14 Mar | Diocese ofBarra do Piraí-Volta Redonda, Rio de Janeiro,Brazil (Angra dos Reis and Parati) Diocese ofNova Iguaçu, Rio de Janeiro,Brazil (Itaguai and Mangaratiba) | Territory Lost | Diocese ofItaguaí, Rio de Janeiro,Brazil | Erected |
| 27 Mar | Archdiocese ofLa Plata,Argentina (Chascomús, Coronel Brandsen, Castelli, Dolores, General Belgrano, General Guido, General Paz, Monte, and Pila) Diocese ofMar del Plata,Argentina (General Conesa, General Lavalle, and Maipú) | Territory Lost | Diocese ofChascomús,Argentina | Erected |
| 28 Mar | Diocese ofKohima-Imphal,India | Split | Diocese ofImphal,India (Manipur) Diocese ofKohima,India | Split |
| 28 Mar | Apostolic Administration ofZanzibar e Pemba,Tanzania | Elevated | Diocese ofZanzibar,Tanzania | Elevated |
| 18 Apr | Diocese ofAssisi,Italy (S. Michele Arcangelo di Limigiano) | Territory Lost | Archdiocese ofSpoleto,Italy | Territory Added |
| 23 Apr | Eparchy ofLe Caire {Cairo} (Chaldean),Egypt | Erected | ||
| 30 May | Diocese ofLeeds, England,Great Britain (South Yorkshire) Diocese ofNottingham, England,Great Britain (St. Thomas and Our Lady (in Sheffield); Bassetlaw, and Bamford, Chesterfield, Clowne, Dronfield, Eckington, Hathersage, and Staveley) | Territory Lost | Diocese ofHallam, England,Great Britain | Erected |
| 3 Jun | Delegation toMali | Elevated | Nunciature toMali | Elevated |
| 7 Jun | Diocese ofBujumbura,Burundi | Territory Lost | Diocese ofBubanza,Burundi | Erected |
| 26 Jun | Nunciature toZimbabwe | Established | ||
| 28 Jun | Diocese ofConcepción (Santissima Concezione) en Paraguay Vicariate Apostolic ofPilcomayo,Paraguay | Territory Lost | Diocese ofBenjamín Aceval,Paraguay | Erected |
| 17 Jul | Diocese ofHajdúdorog (Hungarian),Hungary (Expanded to all in Hungary of the Byzantine Rite) | Territory Added | ||
| 29 Jul | Diocese ofMobile, Alabama,USA | Elevated | Archdiocese ofMobile, Alabama,USA | Elevated |
| 29 Jul | Diocese ofBiloxi, Mississippi,USA (from New Orleans) | Metropolitan Changed | ||
| 29 Jul | Diocese ofBirmingham, Alabama,USA (from New Orleans) | Metropolitan Changed | ||
| 29 Jul | Diocese ofJackson, Mississippi,USA (from New Orleans) | Metropolitan Changed | ||
| 11 Oct | Diocese ofNova Iguaçu, Rio de Janeiro,Brazil (São João de Meriti) Diocese ofPetrópolis, Rio de Janeiro,Brazil (Duque de Caxias) | Territory Lost | Diocese ofDuque de Caxias, Rio de Janeiro,Brazil | Erected |
| 11 Oct | Archdiocese ofParaíba,Brazil (Guarabira, Alagoinha, Araçagi, Arara, Araruna, Bananeiras, Beiern, Borborema, Cacimba de Dentro, Caiçara, Cuitegí, Dona Ines, Duas Estradas, Lagôa de Dentro, Mari, Mulungú, Pilöes, Pilöezinhos, Pirpirituba, Serra da Raiz, Serraría, Solânea, and Tacima) | Territory Lost | Diocese ofGuarabira, Paraiba,Brazil | Erected |
| 11 Oct | Territorial Prelature ofTagum,Philippines | Elevated | Diocese ofTagum,Philippines | Elevated |
| 13 Oct | Eparchy ofSaints Cyril and Methodius of Toronto (Slovak),Canada | Erected | ||
| 13 Oct | Apostolic Exarchate ofCanada (Melkite Greek) | Erected | ||
| 20 Oct | Archdiocese ofBrindisi,Italy (no longer a metropolitan) | Elevated | ||
| 20 Oct | Diocese ofLecce,Italy | Elevated | Archdiocese ofLecce,Italy | Elevated |
| 20 Oct | Archdiocese ofOtranto,Italy (no longer a metropolitan) | Elevated | ||
| 20 Oct | Diocese ofGallipoli,Italy (from Otranto) | Metropolitan Changed | ||
| 20 Oct | Diocese ofNardò,Italy (from Immediately Subject) | Metropolitan Changed | ||
| 20 Oct | Diocese ofUgento-Santa Maria di Leuca,Italy (from Otranto) | Metropolitan Changed | ||
| 20 Oct | Archdiocese ofTrani e Barletta (e Nazareth e Bisceglie),Italy (no longer a metropolitan) | Elevated | ||
| 20 Oct | Diocese ofConversano,Italy (from Bari (-Canosa)) | Metropolitan Changed | ||
| 20 Oct | Diocese ofRuvo e Bitonto,Italy (from Bari (-Canosa)) | Metropolitan Changed | ||
| 20 Oct | Diocese ofAndria,Italy (from Trani e Barletta (e Nazareth e Bisceglie)) | Metropolitan Changed | ||
| 20 Oct | Diocese ofGravina,Italy (from Immediately Subject) | Metropolitan Changed | ||
| 20 Oct | Diocese ofMolfetta, Giovinazzo e Terlizzi,Italy (from Immediately Subject) | Metropolitan Changed | ||
| 20 Oct | Diocese ofMacerata e Tolentino,Italy (from Immediately Subject) | Metropolitan Changed | ||
| 20 Oct | Territorial Prelature ofAltamura ed Acquaviva delle Fonti,Italy (from Immediately Subject) | Metropolitan Changed | ||
| 24 Oct | Prefecture Apostolic ofSibolga,Indonesia | Elevated | Diocese ofSibolga,Indonesia | Elevated |
| 30 Oct | Territorial Prelature ofMacapá, Amapa,Brazil | Elevated | Diocese ofMacapá, Amapa,Brazil | Elevated |
| 30 Oct | Territorial Prelature ofParintins, Amazonas,Brazil | Elevated | Diocese ofParintins, Amazonas,Brazil | Elevated |
| 30 Oct | Territorial Prelature ofRio Negro, Amazonas,Brazil | Elevated | Diocese ofRio Negro,Brazil | Elevated |
| 30 Oct | Territorial Prelature ofTocantinópolis, Tocatins,Brazil | Elevated | Diocese ofTocantinópolis, Tocatins,Brazil | Elevated |
| 22 Nov | Vicariate Apostolic ofSan Francisco Javier,Peru | Name Changed | Vicariate Apostolic ofJaén en Peru o San Francisco Javier | Name Changed |
| 29 Nov | Diocese ofOwerri,Nigeria (Orlu, Oru, Nkwerre Isu, and Ideato along with St. Gregory in Uli) | Territory Lost | Diocese ofOrlu,Nigeria | Erected |
| 29 Nov | Diocese ofTororo,Uganda (Soroti and Kumi) | Territory Lost | Diocese ofSoroti,Uganda | Erected |
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