| Year | From | To | ||
|---|---|---|---|---|
| 1823 | Diocese of Chur, Switzerland | Name Changed | Diocese of Chur-Sankt Gallen, Switzerland | Name Changed |
| 1874 | Presentation Brothers | Decretum Laudis | ||
| 1879 | Vicariate Apostolic of Natal, South Africa | Territory Lost | Mission "Sui Iuris" of Zambese, Zimbabwe | Erected |
| 1900 | Diocese of Olinda, Brazil (Alagoas) | Territory Lost | Diocese of Alagôas, Brazil | Erected |
| 1920 | Diocese of Oran, Algeria (Southern part) | Territory Lost | Prefecture Apostolic of Ghardaïa, Algeria | Territory Added |
| 1921 | Vicariate Apostolic of Sahara of French Sudan {Sahara nel Sudan Francese}, Mali (West Side) | Territory Lost | Vicariate Apostolic of Bamako, Mali | Erected |
| 1921 | Vicariate Apostolic of Sahara of French Sudan {Sahara nel Sudan Francese}, Mali (East Side (Bandiagara, Dedougou, and Bobodioulasso)) | Territory Lost | Vicariate Apostolic of Ouagadougou, Burkina Faso | Erected |
| 1923 | Vicariate Apostolic of Marocco o Marruecos, Morocco (Area under French control) | Territory Lost | Vicariate Apostolic of Rabat, Morocco | Erected |
| 1931 | Vicariate Apostolic of Ningpo [Ningbo], China (Chuchow, Sungyang, Lungchuan, Tsingtien, Yünhwo, Kingning, Suanping, Suichong, Kingyuan, and Tsinyun) | Territory Lost | Prefecture Apostolic of Chuchow, China | Erected |
| 1936 | Diocese of Jaro o Santa Elisabetta, Philippines (Maestre de Campo)
Diocese of Lipa, Philippines (Lubang, islands located in front of Calapan, Bacò, and Puerto Galera; island of Apo; islands of Hin, Remirara, Sibay, and Caluyo, islands of Masin, Tambazon, and Buyallao) | Territory Lost | Prefecture Apostolic of Mindoro, Philippines | Erected |
| 1944 | Archdiocese of Salta, Argentina (Susques) | Territory Lost | Diocese of Jujuy, Argentina | Territory Added |
| 1944 | Archdiocese of Salta, Argentina (Antofagasta de la Sierra) | Territory Lost | Diocese of Catamarca, Argentina | Territory Added |
| 1953 | Diocese of Ariano, Italy (Corsaro with Castello Corsaro, the Contrada of S. Giacomo and the Contrada of Corsaro along with S. Nicolai) | Territory Lost | Archdiocese of Benevento, Italy | Territory Added |
| 1953 | Archdiocese of Benevento, Italy (S. Maria ad Nives in Morrone in Bonito) | Territory Lost | Diocese of Ariano, Italy | Territory Added |
| 1954 | Archdiocese of Acerenza e Matera, Italy | Split | Archdiocese of Acerenza, Italy
Archdiocese of Matera, Italy | Split |
| 1954 | Diocese of Venosa, Italy (from Acerenza e Matera) | Metropolitan Changed | ||
| 1954 | Diocese of Potenza e Marsico Nuovo, Italy (from Salerno (-Acerno)) | Metropolitan Changed | ||
| 1954 | Diocese of Muro Lucano, Italy (from Conza e Campagna) | Metropolitan Changed | ||
| 1954 | Diocese of Anglona-Tursi, Italy (from Acerenza e Matera) | Metropolitan Changed | ||
| 1954 | Diocese of Tricarico, Italy (from Acerenza e Matera) | Metropolitan Changed | ||
| 1956 | Diocese of Kansas City, Missouri, USA (Counties of: Saline, Pettis, Cooper, Benton, Morgan,
Moniteau, Hickory, Camden, and Miller)
Diocese of Saint Joseph, Missouri, USA (Counties of: Putnam, Schuyler, Scotland, Clark, Sullivan, Adair, Knox, Lewis, Linn, Macon, Shelby, Marion, Chariton, Randolph, Monroe, and Raleigh) Archdiocese of Saint Louis, Missouri, USA (Counties of: Howard, Boone, Audrain, Pike, Callaway, Montgomery, Cole, Osage, Gasconade, Maries, Pulaski, Phelps, and Crawford) | Territory Lost | Diocese of Jefferson City, Missouri, USA | Erected |
| 1956 | Diocese of Savannah-Atlanta, Georgia, USA | Split | Diocese of Atlanta, Georgia, USA (Northern part with the border being the counties: Richmond, Jefferson, Glascock, Wilkinson, Washington, Twiggs, Bibb, Crawford, Taylor, Talbot, and Harris)
Diocese of Savannah, Georgia, USA | Split |
| 1956 | Diocese of Kansas City, Missouri, USA (Counties of: Cedar, Polk, Dallas, Laclede, Barton, Dade, Greene, Webster, Wright, Jasper, Lawrence, Newton, Barry, Stone, Christian, Douglas, Donald, Taney,
and the Ozarks)
Archdiocese of Saint Louis, Missouri, USA (Counties of: Dent, Iron, Texas, Shannon, Reynolds, Madison, Bollinger, Cape Girardeau, Howell, Oregon, Carter, Ripley, Wayne, Butler, Stoddard, Scott, Mississippi, New Madrid, Dunklin, and Pemiscott) | Territory Lost | Diocese of Springfield-Cape Girardeau, Missouri, USA | Erected |
| 1956 | Diocese of Kansas City, Missouri, USA
Diocese of Saint Joseph, Missouri, USA | United | Diocese of Kansas City-Saint Joseph, Missouri, USA | United |
| 1956 | Diocese of Pesqueira, Pernambuco, Brazil (Itapetim, São José do Egito, Tabira, Afogados da Ingázeira, Carnaíba, Flores, Triunfo, Serra Talhada, and São José do Belmonte) | Territory Lost | Diocese of Afogados da Ingazeira, Pernambuco, Brazil | Erected |
| 1962 | Prefecture Apostolic of Isangi, Congo (Dem. Rep.) | Elevated | Diocese of Isangi, Congo (Dem. Rep.) | Elevated |
| 1962 | Archdiocese of Calcutta, India (Dhanbad, Purulia, and Eastern half of Singbhum)
Archdiocese of Ranchi, India (Western half of Singbhum) | Territory Lost | Diocese of Jamshedpur, India | Erected |
| 1962 | Prefecture Apostolic of Lolo, Congo (Dem. Rep.) | Elevated | Diocese of Lolo, Congo (Dem. Rep.) | Elevated |
| 1962 | Diocese of Bunia, Congo (Dem. Rep.) (Mahagi and Aru) | Territory Lost | Diocese of Mahagi, Congo (Dem. Rep.) | Erected |
| 1962 | Prefecture Apostolic of Yola, Nigeria | Elevated | Diocese of Yola, Nigeria | Elevated |
| 1969 | Diocese of Chantaburi, Thailand | Name Changed | Diocese of Chanthaburi, Thailand | Name Changed |
| 1969 | Diocese of Chieng-Mai, Thailand | Name Changed | Diocese of Chiang Mai, Thailand | Name Changed |
| 1969 | Diocese of Nakhorn-Sawan, Thailand | Name Changed | Diocese of Nakhon Sawan, Thailand | Name Changed |
| 1969 | Diocese of Nakhorn-Rajasima, Thailand | Name Changed | Diocese of Nakhon Ratchasima, Thailand | Name Changed |
| 1969 | Diocese of Udonthani, Thailand | Name Changed | Diocese of Udon Thani, Thailand | Name Changed |
| 1969 | Diocese of Ubon, Thailand | Name Changed | Diocese of Ubon Ratchathani, Thailand | Name Changed |
| 1971 | Diocese of Huelva, Spain (Latin name changed from Huelvensis) | Name Changed | ||
| 1984 | Prefecture Apostolic of Aguarico, Ecuador | Elevated | Vicariate Apostolic of Aguarico, Ecuador | Elevated |
| 1984 | Prefecture Apostolic of San Miguel de Sucumbíos, Ecuador | Elevated | Vicariate Apostolic of San Miguel de Sucumbíos, Ecuador | Elevated |
| 1984 | Archdiocese of Luanda, Angola (Cabinda) | Territory Lost | Diocese of Cabinda, Angola | Erected |
| 1988 | Pontifical Commission “Ecclesia Dei”, Roman Curia | Established | ||
| 2008 | Archdiocese of Porto Alegre, Rio Grande do Sul, Brazil (Montenegro, Alto Feliz, Barão, Bom Princípio, Bom Retiro do Sul, Brochier, Capela de Santana, Colinas, Estrela, Fazenda Vila Nova, Feliz, Harmonia, Linha Nova, Maratá, Pareci Novo, Paverama, Poço das Antas, Portão, Roca Sales, Salvador do Sul, São José...) | Territory Lost | Diocese of Montenegro, Rio Grande do Sul, Brazil | Erected |
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