| Year | From | To |
|---|
| 1818 | Diocese of Alessano, Italy
| Suppressed | Diocese of Ugento, Italy
| Territory Added |
| 1878 | | | Congregation of the Priests of the Sacred Heart
| Founded |
| 1889 | Vicariate Apostolic of Aden, Yemen
| Name Changed | Vicariate Apostolic of Arabia, Yemen
| Name Changed |
| 1895 | Prefecture Apostolic of Costa d’Oro {Gold Coast}, Ghana
| Territory Lost | Prefecture Apostolic of Costa d’Avorio
| Erected |
| 1897 | | | Vicariate Apostolic of Gilbert Islands {Isole Gilbert}, Kiribati, Pacific (Oceania)
| Erected |
| 1917 | Diocese of Diamantina, Brazil
| Elevated | Archdiocese of Diamantina, Minas Gerais, Brazil
| Elevated |
| 1941 | Diocese of Oradea Mare {Gran Varadino, Nagyvárad} and Satu Mare {Szatmár}, Romania
| Split | Diocese of Oradea Mare {Gran Varadino, Nagyvárad}, Romania
Diocese of Satu Mare {Szatmár}, Romania
| Split |
| 1943 | Congregation of Pious Workers
Congregation of Rural Catechists
| United | Pious Workers Rural Catechists
| United |
| 1957 | Prefecture Apostolic of Bikoro, Congo (Dem. Rep.)
| Elevated | Vicariate Apostolic of Bikoro, Congo (Dem. Rep.)
| Elevated |
| 1960 | Diocese of Oturkpo, Nigeria
| Name Changed | Diocese of Makurdi, Nigeria
| Name Changed |
| 1963 | Vicariate Apostolic of Hollandia, Indonesia
| Name Changed | Vicariate Apostolic of Kota Baru, Indonesia
| Name Changed |
| 1967 | Diocese of Antofagasta, Chile
| Elevated | Archdiocese of Antofagasta, Chile
| Elevated |
| 1967 | | | Territorial Prelature of Calama, Chile (from La Serena to Antofagasta)
| Metropolitan Changed |
| 1969 | Diocese of Mobile-Birmingham, Alabama, USA
| Split | Diocese of Birmingham, Alabama, USA
Diocese of Mobile, Alabama, USA
| Split |
| 1969 | Diocese of Tucson, Arizona, USA
| Territory Lost | Diocese of Phoenix, Arizona, USA
| Erected |
| 1971 | | | Prefecture Apostolic of Cheju, Korea (South)
| Erected |
| 1971 | Archdiocese of Pretoria, South Africa
| Territory Lost | Prefecture Apostolic of Rustenburg, South Africa
| Erected |
| 1972 | Archdiocese of Wrocław {Breslavia}, Poland
| Territory Lost | Apostolic Administration of Görlitz, Germany
| Erected |
| 1972 | | | Diocese of Koszalin-Kołobrzeg, Poland
| Erected |
| 1972 | | | Diocese of Opole, Poland
| Erected |
| 1972 | | | Diocese of Szczecin-Kamień, Poland
| Erected |
| 1972 | | | Diocese of Gorzów, Poland
| Erected |
| 1976 | Patriarchal Exarchate of United States of America (Melkite Greek)
| Territory Lost | Eparchy of Newton (Our Lady of the Annunciation in Boston) (Melkite Greek), USA
| Erected |
| 1980 | Diocese of Concepción (Santissima Concezione) en Paraguay
Vicariate Apostolic of Pilcomayo, Paraguay
| Territory Lost | Diocese of Benjamín Aceval, Paraguay
| Erected |
| 1988 | Congregation of the Sacraments, Roman Curia
Congregation for Divine Worship, Roman Curia
| United | Congregation for Divine Worship and the Discipline of the Sacraments, Roman Curia
| United |
| 1988 | Congregation of Catholic Education, Roman Curia
| Name Changed | Congregation for Catholic Education (for Institutes of Study), Roman Curia
| Name Changed |
| 1988 | Congregation for Religious and Secular Institutes, Roman Curia
| Name Changed | Congregation for Institutes of Consecrated Life and Societies of Apostolic Life, Roman Curia
| Name Changed |
| 1988 | Pontifical Commission for Justice and Peace, Roman Curia
| Elevated | Pontifical Council for Justice and Peace, Roman Curia
| Elevated |
| 1988 | Pontifical Commission for Pastoral Assistance to Health Care Workers, Roman Curia
| Elevated | Pontifical Council for Pastoral Assistance to Health Care Workers, Roman Curia
| Elevated |
| 1988 | Pontifical Commission for the Pastoral Care of Migrants and Itinerant People, Roman Curia
Congregation for Bishops, Roman Curia
| Elevated | Pontifical Council for the Pastoral Care of Migrants and Itinerant People, Roman Curia
| Elevated |
| 1988 | Pontifical Commission for the Authentic Interpretation of the Code of Canon Law, Roman Curia
| Elevated | Pontifical Council for the Interpretation of Legislative Texts, Roman Curia
| Elevated |
| 1988 | Secretariat of Non-Christians, Roman Curia
| Elevated | Pontifical Council for Interreligious Dialogue, Roman Curia
| Elevated |
| 1988 | Pontifical Commission for Social Communications, Roman Curia
| Elevated | Pontifical Council for Social Communications, Roman Curia
| Elevated |
| 1988 | | | Pontifical Commission for Preserving the Church’s Patrimoney of Art and History, Roman Curia
| Erected |
| 1988 | | | Cardinal Titular Church of San Benedetto fuori Porta San Paolo
| Established |
| 1988 | | | Cardinal Titular Church of Beata Vergine Maria del Monte Carmelo a Mostacciano
| Established |
| 1988 | | | Cardinal Titular Church of San Frumenzio ai Prati Fiscali
| Established |
| 1988 | | | Cardinal Titular Church of San Gabriele Arcangelo all’Acqua Traversa
| Established |
| 1988 | | | Cardinal Titular Church of Santi Gioacchino ed Anna al Tuscolano
| Established |
| 1988 | | | Cardinal Titular Church of Santa Maria Madre del Redentore a Tor Bella Monaca
| Established |
| 1988 | | | Cardinal Titular Church of Santa Maria “Regina Mundi” a Torre Spaccata
| Established |
| 1988 | | | Cardinal Titular Church of Santa Maria “Regina Pacis” a Monte Verde
| Established |
| 1988 | | | Cardinal Titular Church of Santi Martiri dell’Uganda a Poggio Ameno
| Established |
| 1988 | | | Cardinal Titular Church of Spirito Santo alla Ferratella
| Established |
| 1991 | | | Cardinal Titular Church of Sant’Atanasio a Via Tiburtina
| Established |
| 1991 | | | Cardinal Titular Church of San Giuseppe all’Aurelio
| Established |
| 1991 | | | Cardinal Titular Church of Sant’Ignazio di Loyola a Campo Marzio
| Established |
| 1991 | | | Cardinal Titular Church of San Luigi Maria Grignion de Montfort
| Established |
| 1991 | | | Cardinal Titular Church of Nostra Signora di Guadalupe e San Filippo Martire
| Established |
| 1991 | | | Cardinal Titular Church of Santo Spirito in Sassia
| Established |
| 1995 | Diocese of Texcoco, México, México
Archdiocese of Tlalnepantla, México, México
| Territory Lost | Diocese of Ecatepec, México, México
| Erected |
| 1997 | Archdiocese of Bangui, Central African Republic
| Territory Lost | Diocese of Kaga-Bandoro, Central African Republic
| Erected |
| 2003 | Archdiocese of Manila, Philippines
| Territory Lost | Diocese of Cubao, Philippines
| Erected |
| 2003 | Archdiocese of Manila, Philippines
| Territory Lost | Diocese of Kalookan, Philippines
| Erected |
| 2003 | Archdiocese of Manila, Philippines
| Territory Lost | Diocese of Pasig, Philippines
| Erected |
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