 | 1984 | 1985 | 1986 |  |
Date | Country | Change |
| 1985.01.12 |  Philippines | Diocese of Alaminos was established (from Metropolitan Archdiocese of Lingayen–Dagupan and became suffragan of Lingayen–Dagupan) |
| 1985.01.12 | Philippines | Diocese of Urdaneta was established (from Metropolitan Archdiocese of Lingayen–Dagupan and became suffragan of Lingayen–Dagupan) |
| 1985.02.08 |  South Africa | Diocese of Keimoes was renamed as Diocese of Keimoes–Upington |
| 1985.05.24 |  Brazil | Diocese of Guanhães was established (from Metropolitan Archdiocese of Diamantina, Diocese of Governador Valadares and Diocese of Itabira–Fabriciano and became suffragan of Diamantina) |
| 1985.05.27 |  Malaysia | Diocese of Malacca–Johor was renamed as Diocese of Melaka–Johor |
| 1985.08.03 |  USA | Apostolic Exarchate of United States of America (Chaldean Rite) was promoted as Diocese of Saint Thomas the Apostle of Detroit (without ecclesiastical province) |
| 1985.10.11 |  Mexico | Diocese of Ciudad Lázaro Cárdenas was established (from Diocese of Apatzingán and Diocese of Ciudad Altamirano and became suffragan of Morelia) |
| 1985.10.28 |  Zimbabwe | Apostolic Prefecture of Chinhoyi was promoted as Diocese of Chinhoyi (became suffragan of Harare) |
| 1985.12.09 |  Colombia | Apostolic Vicariate of Florencia was promoted as Diocese of Florencia (lost territory to establish Apostolic Vicariate of San Vicente–Puerto Leguízamo and became suffragan of Ibagué) |
| 1985.12.09 | Colombia | Apostolic Vicariate of San Vicente–Puerto Leguízamo was established (from Apostolic Vicariate of Florencia) |
| 1985.12.21 |  India | Diocese of Punalur was established (from Diocese of Quilon and became suffragan of Verapoly) |
| 1985.12.21 |  Peru | Territorial Prelature of Tarma was promoted as Diocese of Tarma |
| 1985.12.31 |  Bosnia and Herzegovina | Diocese of Banjaluka was renamed as Diocese of Banja Luka |
© 2026 GCatholic.org
|
