| Date | From | To |
|---|
| unknown | | | Eparchy of Iskanderiya {Alexandria} (Armenian), Egypt
| Erected |
| 7 Mar | Archdiocese of Toledo, Spain
| Territory Lost | Diocese of Madrid, Spain
| Erected |
| 26 Mar | | | Eparchy of Ivano-Frankivsk [Stanislaviv] (Ukrainian), Ukraine
| Erected |
| 20 Jun | Prefecture Apostolic of Cape of Good Hope, Central District {Capo di Buona Speranza, Distretto Centrale}, South Africa
| Territory Lost | Prefecture Apostolic of Orange River, South Africa
| Erected |
| 10 Jul | Diocese of Trois Rivières, Québec, Canada
| Territory Lost | Diocese of Nicolet, Québec, Canada
| Erected |
| 28 Aug | Vicariate Apostolic of Northern Kiangsi {Kiam-Si Settentrionale}, China
| Territory Lost | Vicariate Apostolic of Eastern Kiangsi {Kiam-Si Orientale}, China
| Erected |
| 2 Oct | Vicariate Apostolic of Nebraska, USA
| Elevated | Diocese of Omaha, Nebraska, USA (Name changed and Vicariate raised to a Diocese)
| Elevated |
| 28 Oct | | | Missioni Africane di Verona
| Founded |
| 22 Dec | Mission "Sui Iuris" of Southern Shantung {Scian-Ton Meridionale}, China
| Elevated | Vicariate Apostolic of Southern Shantung {Scian-Ton Meridionale}, China
| Elevated |
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