Year | From | To |
1526 | Diocese of Chieti, Italy
| Elevated | Archdiocese of Chieti, Italy
| Elevated |
1547 | Diocese of Cuzco, Peru
| Territory Lost | Diocese of Paraguay (o Ssma Assunzione)
| Erected |
1570 | Territorial Abbey of Holy Savior of Nicosia (Ethiopian), Cyprus
| Territory Added |
1588 | | | Clerics Regular Minor
| Approbation |
1697 | | | Diocese of Blois, France
| Erected |
1786 | Diocese of Quito, Ecuador
| Territory Lost | Diocese of Cuenca, Ecuador
| Erected |
1840 | Archdiocese of Santiago de Chile
| Territory Lost | Diocese of La Serena, Chile
| Erected |
1840 | Diocese of Concepción, Chile
| Territory Lost | Diocese of San Carlos de Ancud, Chile
| Erected |
1889 | Diocese of Allegheny, Pennsylvania, USA
| Suppressed | Diocese of Pittsburgh, Pennsylvania, USA
| Territory Added |
1897 | Diocese of Leavenworth, Kansas, USA
| Territory Lost | Diocese of Concordia, Kansas, USA (Counties of Washington, Clay, Riley, Geary, and Dickinson)
| Territory Added |
1910 | Diocese of Ispahan, Iran
| Elevated | Archdiocese of Ispahan, Iran
| Elevated |
1911 | Vicariate Apostolic of Belgian Congo {Congo Belga}, Congo (Dem. Rep.) (Area between the Congo River and the Southern limits of the Belgian dominion)
| Territory Lost | Prefecture Apostolic of Matadi, Congo (Dem. Rep.)
| Erected |
1913 | | | Little Mission for the Deaf and Dumb
| Decretum Laudis |
1931 | Vicariate Apostolic of Nanking [Nanjing], China (Tangshan, Fengshien, Peihsien, Tongshan, Siaohsien, Suining, Sutsien, and Pihsien)
| Territory Lost | Prefecture Apostolic of Süchow, China
| Erected |
1937 | Mission "Sui Iuris" of Loangwa, Zambia (Lundazi)
Vicariate Apostolic of Nyassa, Malawi (Petauke and Fort Jameson)
| Territory Lost | Prefecture Apostolic of Fort Jameson, Zambia
| Erected |
1937 | Vicariate Apostolic of Tsingtao [Qingdao], China (Ghuhsien, Istmi, Mengyin, Feihsien, Liny, and Tancheng)
| Territory Lost | Vicariate Apostolic of Ichow [Linyi], China
| Erected |
1937 | Mission "Sui Iuris" of Loangwa, Zambia (North Nyassa, West Nyassa, Mbombera-Mzimbam, and Kasungn)
| Territory Lost | Vicariate Apostolic of Nyassa, Malawi
| Territory Added |
1937 | Diocese of Quilon, India (Trivandrum (Neyyantinkara, Nedumangad, Trivandrum, and Chirayinkeezh))
| Territory Lost | Diocese of Trivandrum, India
| Erected |
1937 | Vicariate Apostolic of Changsha [Changsha], China (Niangtan, Siangsiang, Jalìng, Hengshan, Yuhsien, and Chaling)
| Territory Lost | Prefecture Apostolic of Xiangtan [Siangtan], China
| Erected |
1937 | Vicariate Apostolic of Bangueolo, Zambia (Abercorn (except Mission of Rosa)
Prefecture Apostolic of Broken Hill, Zambia (Serenje)
Mission "Sui Iuris" of Loangwa, Zambia
| Elevated | Vicariate Apostolic of Lwangwa, Zambia
| Elevated |
1949 | Archdiocese of Chieti, Italy (S. Gettae, S. Mariae de Igne, S. Silvestri, Stella Maris, and S. Peter the Martyr)
Diocese of Penne e Atri, Italy
| Split | Diocese of Penne e Pescara, Italy
| Split |
1949 | Diocese of Penne e Atri, Italy
Diocese of Teramo, Italy
| United | Diocese of Teramo e Atri, Italy
| United |
1963 | Diocese of Silva Porto, Angola (Moxico)
| Territory Lost | Diocese of Luso, Angola
| Erected |
1972 | | | Diocese of Rarotonga, Cook Islands, Pacific (Oceania) (from Wellington)
| Metropolitan Changed |
1973 | Diocese of Bagnoregio (Bagnorea), Italy (Soriano nel Cimino)
| Territory Lost | Diocese of Civita Castellana, Orte e Gallese, Italy
| Territory Added |
1993 | Diocese of Visakhapatnam, India (Srikakulam and part of Vizianagram (Paravathipuram, Kurupam, and Cheepurupalli))
| Territory Lost | Diocese of Srikakulam, India
| Erected |
1994 | Archdiocese of Lomé, Togo (Lacs, Vo, Yoto, and Afagnan)
| Territory Lost | Diocese of Aného, Togo
| Erected |
1994 | Archdiocese of Lomé, Togo (Kioto, Agou, Dayes, Haho, and Moyen-Mono)
| Territory Lost | Diocese of Kpalimé, Togo
| Erected |
1994 | Diocese of Sokodé, Togo
| Territory Lost | Diocese of Kara, Togo
| Erected |
2002 | Archdiocese of Rimouski, Québec, Canada (Saint-David d'Estcourt (Sully), Marie-Médiatrice (Estcourt), Saint-Joseph-de-la-Rivière-Bleue, and Saint-Marc-du-Lac-Long in Témiscouata)
| Territory Lost | Diocese of Sainte-Anne-de-la-Pocatière, Québec, Canada
| Territory Added |
2003 | Diocese of Palembang, Indonesia
| Elevated | Archdiocese of Palembang, Indonesia
| Elevated |
2003 | | | Diocese of Pangkal-Pinang, Indonesia (from Medan)
| Metropolitan Changed |
2003 | | | Diocese of Tanjungkarang, Indonesia (from Medan)
| Metropolitan Changed |