| Date | From | To | ||
|---|---|---|---|---|
| unknown | Servants of the Holy Paraclete | Decretum Laudis | ||
| unknown | Titular See of Tharros | Established | ||
| unknown | Office of Pontifical Ceremonies, Roman Curia | Name Changed | Office of Liturgical Celebrations of the Supreme Pontiff, Roman Curia | Name Changed |
| unknown | Titular See of Grumentum | Established | ||
| unknown | Servi della Divina Misericordia | Founded | ||
| 19 Jan | Archdiocese of Nueva Segovia, Philippines (La Union) | Territory Lost | Diocese of San Fernando de La Union, Philippines | Erected |
| 22 Jan | Archdiocese of Gauhati-Shillong, India | Name Changed | Archdiocese of Shillong-Gauhati, India | Name Changed |
| 31 Jan | Diocese of Tuguegarao, Philippines (Part of Isabella (including Palanan)) | Territory Lost | Diocese of Ilagan, Philippines | Erected |
| 5 Feb | Diocese of Nkongsamba, Cameroon (Bamoun, Mifì, Baboutos, Menoua, and Ndé) | Territory Lost | Diocese of Bafoussam, Cameroon | Erected |
| 26 Feb | Diocese of Fort William, Ontario, Canada | Name Changed | Diocese of Thunder Bay, Ontario, Canada | Name Changed |
| 5 Mar | Delegation to Central Africa | Established | Nunciature to Central African Republic | Established |
| 7 Mar | Diocese of Saint George’s in Grenada, Antilles (Barbate, Saint Vincent, and the northern Grenadines (Bequia, Canouan, Mustique, and Union)) | Territory Lost | Diocese of Bridgetown-Kingstown, Barbados, Antilles | Erected |
| 9 Mar | Nunciature to Mauritius | Established | ||
| 10 Mar | Archdiocese of Lima, Peru (Ventanilla) | Territory Lost | Diocese of Callao, Peru | Territory Added |
| 19 Mar | Pontifical Commission for the Pastoral Care of Migrants and Itinerant People, Roman Curia | Established | ||
| 23 Mar | Diocese of Niangara, Congo (Dem. Rep.) | Name Changed | Diocese of Isiro-Niangara, Congo (Dem. Rep.) | Name Changed |
| 7 Apr | Diocese of Gaberones, Botswana | Name Changed | Diocese of Gaborone, Botswana | Name Changed |
| 15 Apr | Archdiocese of Caracas, Santiago de Venezuela (Vargas) | Territory Lost | Diocese of La Guaira, Venezuela | Erected |
| 30 Apr | Diocese of Talca, Chile (Sancta Cruz in Colchagua) | Territory Lost | Diocese of Rancagua, Chile | Territory Added |
| 2 May | Prefecture Apostolic of Spanish Sahara and Ifni {Sahara Español e Ifni}, Western Sahara (Ifni) | Territory Lost | Archdiocese of Rabat, Morocco | Territory Added |
| 2 May | Prefecture Apostolic of Spanish Sahara and Ifni {Sahara Español e Ifni}, Western Sahara | Name Changed | Prefecture Apostolic of Spanish Sahara {Sahara Español}, Western Sahara | Name Changed |
| 23 May | Diocese of Campeche, México
Archdiocese of Yucatán, México | Territory Lost | Territorial Prelature of Chetumal, Quintana Roo, México (Quintana Roo) | Erected |
| 1 Jun | Vicariate Apostolic of Aysén, Chile (Polena and Guaitecas islands (all in Chiloé)) | Territory Lost | Diocese of San Carlos de Ancud, Chile | Territory Added |
| 5 Jun | Prefecture Apostolic of Benares-Gorakhpur, India | Elevated | Diocese of Banaras, India | Elevated |
| 6 Jun | Diocese of Nova Lisboa, Angola (Benguela) | Territory Lost | Diocese of Benguela, Angola | Erected |
| 18 Jun | Diocese of Rancagua, Chile (Maipo (in Santiago)) | Territory Lost | Archdiocese of Santiago de Chile | Territory Added |
| 19 Jun | Archdiocese of Lourenço Marques, Mozambique (Gaza) | Territory Lost | Diocese of João Belo, Mozambique | Erected |
| 20 Jun | Diocese of Nashville, Tennessee, USA (Benton, Carroll, Chester, Crockett, Decatur, Dyer, Fayette, Gibson, Hardeman, Hardin, Haywood, Henderson, Henry, Lake, Lauderdale, Madison, McNairy, Obion, Shelby, Tipton, and Weakley) | Territory Lost | Diocese of Memphis, Tennessee, USA | Erected |
| 20 Jun | Diocese of Chiang Mai, Thailand (Uttaradit) | Territory Lost | Diocese of Nakhon Sawan, Thailand | Territory Added |
| 29 Jun | Diocese of Davao, Philippines | Elevated | Archdiocese of Davao, Philippines | Elevated |
| 29 Jun | Territorial Prelature of Cotabato, Philippines (from Cagayan de Oro) | Metropolitan Changed | ||
| 29 Jun | Territorial Prelature of Marbel, Philippines (from Cagayan de Oro) | Metropolitan Changed | ||
| 29 Jun | Territorial Prelature of Tagum, Philippines (from Cagayan de Oro) | Metropolitan Changed | ||
| 3 Jul | Diocese of Doruma, Congo (Dem. Rep.) | Name Changed | Diocese of Doruma-Dungu, Congo (Dem. Rep.) | Name Changed |
| 13 Aug | Diocese of Buéa, Cameroon (Bamenda, Gwofon, Wum, Nkambe, and Nso) | Territory Lost | Diocese of Bamenda, Cameroon | Erected |
| 13 Aug | Diocese of Kaolack, Senegal (Sénégal Oriental)
Diocese of Saint-Louis du Sénégal (Ololdou) | Territory Lost | Prefecture Apostolic of Tambacounda, Senegal | Erected |
| 8 Sep | Archdiocese of Kingston in Jamaica, Antilles (Turks and Caicos Islands) | Territory Lost | Diocese of Nassau, Bahamas, Antilles | Territory Added |
| 9 Oct | Diocese of Patna, India (Chakai Revenue Thana) | Territory Lost | Diocese of Bhagalpur, India | Territory Added |
| 26 Oct | Nunciature to Côte d’Ivoire | Established | ||
| 31 Oct | Diocese of Londrina, Brazil | Elevated | Archdiocese of Londrina, Parana, Brazil | Elevated |
| 31 Oct | Diocese of Apucarana, Parana, Brazil (from Curitiba) | Metropolitan Changed | ||
| 31 Oct | Diocese of Campo Mourão, Parana, Brazil (from Curitiba) | Metropolitan Changed | ||
| 31 Oct | Diocese of Jacarezinho, Parana, Brazil (from Curitiba) | Metropolitan Changed | ||
| 31 Oct | Diocese of Maringá, Brazil (from Curitiba) | Metropolitan Changed | ||
| 31 Oct | Diocese of Paranavaí, Parana, Brazil (from Curitiba) | Metropolitan Changed | ||
| 1 Nov | [SSPX Society of Saint Pius X] | Founded | ||
| 7 Nov | Diocese of Kabinda, Congo (Dem. Rep.)
Diocese of Kamina, Congo (Dem. Rep.) Diocese of Kongolo, Congo (Dem. Rep.) Archdiocese of Lubumbashi, Congo (Dem. Rep.) Diocese of Mbujimayi, Congo (Dem. Rep.) | Territory Added | ||
| 11 Nov | Prefecture Apostolic of Arauca, Colombia | Elevated | Vicariate Apostolic of Arauca, Colombia | Elevated |
| 11 Nov | Diocese of Freetown and Bo, Sierra Leone (Eastern Province) | Territory Lost | Diocese of Kenema, Sierra Leone | Erected |
| 11 Nov | Diocese of Freetown and Bo, Sierra Leone | Elevated | Archdiocese of Freetown and Bo, Sierra Leone | Elevated |
| 11 Nov | Diocese of Makeni, Sierra Leone (from Immediately Subject) | Metropolitan Changed | ||
| 16 Nov | Prefecture Apostolic of Iles Saint-Pierre et Miquelon | Elevated | Vicariate Apostolic of Iles Saint-Pierre et Miquelon | Elevated |
| 23 Nov | Archdiocese of Porto Alegre, Rio Grande do Sul, Brazil (S. Francis de Paula) | Territory Lost | Diocese of Caxias do Sul, Rio Grande do Sul, Brazil | Territory Added |
| 19 Dec | Diocese of Grand Rapids, Michigan, USA (Manistee, Wexford, Misaukee, Roscommon, Benzie, Grand Traverse, Kalkaska, Crawford, Leelanau, Antrim, Otsego, Charlevoix, Emmet, and Cheboygan)
Diocese of Saginaw, Michigan, USA (Presque Isle, Montmorency, Alpena, Oscoda, Alcona, Ogemaw, and Iosco) | Territory Lost | Diocese of Gaylord, Michigan, USA | Erected |
| 19 Dec | Diocese of Grand Rapids, Michigan, USA (Allegan and Barry)
Diocese of Lansing, Michigan, USA (Berrien, Cass, Saint Joseph, Branch, Van Buren, Kalamazoo, and Calhoun) | Territory Lost | Diocese of Kalamazoo, Michigan, USA | Erected |
| 19 Dec | Archdiocese of Detroit, Michigan, USA (Lenawee and Washtenaw) | Territory Lost | Diocese of Lansing, Michigan, USA | Territory Added |
| 19 Dec | Diocese of Grand Rapids, Michigan, USA (Isabella and Clare) | Territory Lost | Diocese of Saginaw, Michigan, USA | Territory Added |
| 26 Dec | Archdiocese of Lyon (-Vienne), France (Saint Etienne and Montbison) | Territory Lost | Diocese of Saint-Etienne, France | Erected |
| 26 Dec | Diocese of Belley, France (Rhône region)
Diocese of Grenoble, France (Rhône province) | Territory Lost | Archdiocese of Lyon (-Vienne), France | Territory Added |
| 26 Dec | Delegation to Central-Western Africa | Established | Nunciature to Gambia and Sierra Leone | Established |
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