 | 1879 | 1880 | 1881 |  |
Date | Country | Change |
| 1880 |  Chile | Apostolic Vicariate of Tarapacá was established (from Diocese of Arequipa) |
| 1880 |  Egypt | Titular Episcopal See of Leontopolis in Bithynia was promoted as Titular Metropolitan See of Leontopolis in Bithynia |
| 1880 |  Israel | Titular Episcopal See of Samaria was renamed as Titular Episcopal See of Samaria |
| 1880 |  Turkiye | Titular Metropolitan See of Gangra was restored |
| 1880 | Turkiye | Titular Episcopal See of Martiria was renamed as Titular Episcopal See of Martyropolis |
| 1880.01.20 |  Poland | Diocese of Tarnów lost territory to Diocese of Kraków |
| 1880.05.25 |  Mexico | Diocese of Tabasco was established (from Diocese of Yucatán and became suffragan of México) |
| 1880.07.29 |  Colombia | Diocese of Tunja was established (from Metropolitan Archdiocese of Santafé en Nueva Granada and became suffragan of Santafé en Nueva Granada) |
| 1880.08.31 |  Seychelles | Apostolic Prefecture of Seychelles was promoted as Apostolic Vicariate of Seychelles |
| 1880.09.10 |  USA | Diocese of Chicago was promoted as Metropolitan Archdiocese of Chicago (with suffragan sees Alton and Peoria) |
| 1880.09.10 | USA | Diocese of Kansas City was established (from Metropolitan Archdiocese of Saint Louis and became suffragan of Saint Louis) |
| 1880.09.27 |  Tanzania | Apostolic Vicariate of Tanganyika was established (from Apostolic Vicariate of Central Africa) |
| 1880.09.27 |  Uganda | Apostolic Vicariate of Nyanza was established (from Apostolic Vicariate of Central Africa) |
| 1880.09.30 |  Pakistan | Apostolic Vicariate of Punjab was established (from Apostolic Vicariate of Agra) |
© 2026 GCatholic.org
|
