Year | From | To |
1839 | Cardinal Titular Church of Sant’Eusebio
| Established | Cardinal Titular Church of Santi Andrea e Gregorio al Monte Celio
| Established |
1852 | Diocese of Montréal, Québec, Canada (Counties of St-Hyacinthe, Richelieu, Rouville, Missisquoi, Shefford, and Stanstead)
Archdiocese of Québec, Canada (Parts of the county of Sherbrooke)
| Territory Lost | Diocese of Saint-Hyacinthe, Québec, Canada
| Erected |
1852 | Diocese of Montréal, Québec, Canada
Archdiocese of Québec, Canada
| Territory Lost | Diocese of Trois-Rivières, Québec, Canada
| Erected |
1886 | Diocese of Montréal, Québec, Canada
| Elevated | Archdiocese of Montréal, Québec, Canada
| Elevated |
1886 | Diocese of Ottawa, Ontario, Canada
| Elevated | Archdiocese of Ottawa, Ontario, Canada
| Elevated |
1886 | | | Diocese of Saint-Hyacinthe, Québec, Canada (from Québec to Montréal)
| Metropolitan Changed |
1898 | Archdiocese of Santafé en Nueva Granada, Colombia
| Name Changed | Archdiocese of Bogotá, Colombia
| Name Changed |
1910 | Vicariate Apostolic of North Carolina, USA (Gaston, Catawba, Cleveland, Burke, Lincoln, McDowell, Polk, and Rutherford Counties)
| Territory Lost | Territorial Abbey of Belmont-Mary Help of Christians, North Carolina, USA
| Erected |
1912 | Archdiocese of Esztergom, Hungary
Archdiocese of Făgăraş şi Alba Iulia (Romanian), Romania
Eparchy of Mukachevo (Munkács) (Ruthenian), Ukraine
Diocese of Oradea Mare {Gran Varadino} (Romanian), Romania
Eparchy of Prešov (Prjašev, Eperjes) (Slovak), Slovakia
Diocese of Székesfehérvár (Albareale), Hungary
| Territory Lost | Diocese of Hajdúdorog (Hungarian), Hungary
| Erected |
1920 | Archdiocese of Mohilev, Belarus (Finland)
| Territory Lost | Vicariate Apostolic of Finland {Finlandia}
| Erected |
1947 | Delegation to Australia
| Name Changed | Delegation to Australia, New Zealand and Oceania
| Name Changed |
1968 | Archdiocese of Calcutta, India (Balasore, Mayurbhanj, and Keonjhar)
| Territory Lost | Prefecture Apostolic of Balasore, India
| Erected |
1968 | Diocese of Daloa, Côte d’Ivoire (Man)
| Territory Lost | Diocese of Man, Côte d’Ivoire
| Erected |
1968 | Archdiocese of Calcutta, India (Cuttack north of the river Mahanadi)
| Territory Lost | Diocese of Cuttack, India
| Territory Added |
1968 | | | Diocese of Nouakchott, Mauritania (from Dakar)
| Metropolitan Changed |
1978 | Diocese of Dumka, India (West Dinajpur and Maldo)
| Territory Lost | Diocese of Raiganj, India
| Erected |
1978 | | | Diocese of Dumka, India (from Calcutta)
| Metropolitan Changed |
1982 | Diocese of Goroka, Papua New Guinea (Simbu)
| Territory Lost | Diocese of Kundiawa, Papua New Guinea
| Erected |
1982 | Archdiocese of Abidjan, Côte d’Ivoire (Aboisso, Grand-Bassam, and Bonoua along with Port-Bouët and Koumassi)
| Territory Lost | Diocese of Grand-Bassam, Côte d’Ivoire
Diocese of Yopougon, Côte d’Ivoire
| Erected |
1982 | Archdiocese of Abidjan, Côte d’Ivoire (Yopougon along with Agboville, Adzopé, Tiassalé, Sikensi, Dabou, and Jacqueville)
| Erected |
1982 | Prefecture Apostolic of Sekadau, Indonesia
| Elevated | Diocese of Sanggau, Indonesia
| Elevated |
1996 | | | Archeparchy of Haifa and the Holy Land {Haifa e Terra Santa} (Maronite), Israel
| Erected |
2002 | | | Rosarian Fathers
| Approbation |