| Date | From | To |
|---|
| unknown | | | Congregation of the Blessed Sacrament | Founded |
| unknown | Vicariate Apostolic ofAva e Pegù,Myanmar | Name Changed | Vicariate Apostolic ofBurma,Myanmar | Name Changed |
| unknown | | | Barmherzige Brüder von Montabaur | Founded |
| unknown | | | Frères de la Charité de Gand | Founded |
| 21 Jan | Diocese ofNanking [Nanjing],China | Elevated | Vicariate Apostolic ofKiangnan,China | Elevated |
| 29 Feb | Diocese ofNewfoundland,Canada | Territory Lost | Diocese ofHarbour Grace, Newfoundland,Canada | Erected |
| 29 Feb | Diocese ofToronto, Ontario,Canada (Counties of Brant, Bruce, Grey, Halton, Haldimand, Waterloo, Wellington, and Wentworth and parts of Dufferin County) | Territory Lost | Diocese ofHamilton, Ontario,Canada | Erected |
| 29 Feb | Diocese ofNewfoundland,Canada | Name Changed | Diocese ofSaint John’s, Newfoundland,Canada | Name Changed |
| 2 Apr | Diocese ofPeking [Beijing],China | Territory Lost | Vicariate Apostolic ofSouthwestern Chi-Li {Ce-Li Meridio-Occidentale},China | Erected |
| 2 Apr | Vicariate Apostolic ofSe-Ciuen (Setchoan, Szechwan, Sichuan),China | Territory Lost | Vicariate Apostolic ofSoutheastern Szechwan {Se-Ciuen Meridio-Orientale},China | Erected |
| 2 Apr | Vicariate Apostolic ofSe-Ciuen (Setchoan, Szechwan, Sichuan),China | Name Changed | Vicariate Apostolic ofNorthwestern Szechwan {Se-Ciuen Settentrionale-Occidentale},China | Name Changed |
| 8 Apr | Vicariate Apostolic ofHoukouang,China | Territory Lost | Vicariate Apostolic ofHupeh {Hu-Pè},China | Erected |
| 8 Apr | Vicariate Apostolic ofHoukouang,China | Name Changed | Vicariate Apostolic ofHunan {Hu-Nan},China | Name Changed |
| 30 May | Diocese ofPeking [Beijing],China | Territory Lost | Vicariate Apostolic ofSoutheastern Chi-Li {Ce-Li Meridio-Orientale},China | Erected |
| 30 May | Diocese ofPeking [Beijing],China | Name Changed | Vicariate Apostolic ofNorthern Chi-Li {Ce-Li Settentrionale} o Pe-Kin,China | Name Changed |
| 8 Dec | | | Society of African Missions | Founded |
| 25 Dec | | | Istituto del Prado | Founded |
![[ Comments/Corrections ]](/image.pl?url=https%3a%2f%2fwww.catholic-hierarchy.org%2fimages%2fqfeedback.gif&f=jpg&w=240){kind=small}
