Changes in Ecclesiastical Jurisdictionsin Cook Islands | ![]() |
| Date | Change |
| 1922.11.27 | Apostolic Prefecture of Cook and Manihiki was established (from Apostolic Vicariate of Tahiti Islands) |
| 1926.08.11 | Apostolic Prefecture of Cook and Manihiki was renamed as Apostolic Prefecture of Cook Islands |
| 1948.02.12 | Apostolic Prefecture of Cook Islands was promoted as Apostolic Vicariate of Cook Islands |
| 1966.06.21 | Apostolic Vicariate of Cook Islands was promoted as Diocese of Rarotonga (gained territory from Apostolic Vicariate of Tonga Islands and Niue and became suffragan of Wellington) |
Last updated on 2025.09.19
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