| Year | From | To |
|---|
| 1492 | Diocese of Valencia, Spain
| Elevated | Archdiocese of Valencia, Spain
| Elevated |
| 1773 | Diocese of Bosnia (Bosna, Diacovar, Diakovar), Croatia
Diocese of Sirmio (Srijem; Sirmium), Croatia
| United | Diocese of Bosna (Djakovo) et Srijem, Croatia
| United |
| 1928 | Vicariate Apostolic of Wonsan, Korea (North) (Ilan)
| Territory Lost | Mission "Sui Iuris" of Ilan, China
| Erected |
| 1928 | Vicariate Apostolic of Kirin [Jilin], China (Lorig-Kiang, Eouloun, and Seiheu)
| Territory Lost | Mission "Sui Iuris" of Tsitsihar [Qiqihar], China
| Erected |
| 1934 | Vicariate Apostolic of Western Nigeria {Nigeria Occidentale}
| Territory Lost | Prefecture Apostolic of Benue, Nigeria
Prefecture Apostolic of Calabar, Nigeria
| Erected |
| 1934 | Vicariate Apostolic of Southern Nigeria {Nigeria Meridionale}
| Name Changed | Vicariate Apostolic of Onitsha-Owerri, Nigeria
| Name Changed |
| 1934 | Prefecture Apostolic of Assam, India
| Elevated | Diocese of Shillong, India
| Elevated |
| 1940 | Vicariate Apostolic of Orange River, South Africa
| Name Changed | Vicariate Apostolic of Keimoes, South Africa
| Name Changed |
| 1940 | Diocese of Chittagong, Bangladesh (Aralcan in Burma (Akyab, Paletto, Eyankpyu, and Sandoway))
| Territory Lost | Prefecture Apostolic of Akyab, Myanmar
| Erected |
| 1957 | | | Diocese of Aversa, Italy
Diocese of Pozzuoli, Italy
| Territory Added |
| 1962 | Diocese of Taunggyi, Myanmar (Parishes of Yado, Momblaw, and Pradon)
| Territory Lost | Diocese of Toungoo, Myanmar
| Territory Added |
| 1964 | Archdiocese of Carthage, Tunisia
| Name Changed | Territorial Prelature of Tunis, Tunisia
| Name Changed |
| 1964 | Archdiocese of Dar-es-Salaam, Tanzania (Liwale)
| Territory Lost | Diocese of Nachingwea, Tanzania
| Territory Added |