Changes in Ecclesiastical Jurisdictions in Papua New Guinea

Date	Change
1844.07.16	Apostolic Vicariate of Melanesia was established (from Apostolic Vicariate of New Zealand)
1889.05.10	Apostolic Vicariate of Melanesia was renamed as Apostolic Vicariate of New Britain (gained territory from the suppressed Apostolic Vicariate of Micronesia and lost territory to establish Apostolic Vicariate of New Guinea)
1889.05.10	Apostolic Vicariate of New Guinea was established (from Apostolic Vicariate of Melanesia)
1890.12.08	Apostolic Vicariate of New Britain was renamed as Apostolic Vicariate of New Pomerania
1896.02.24	Apostolic Prefecture of Kaiser-Wilhelms-Land was established (from Apostolic Vicariate of New Pomerania)
1898.05.23	Apostolic Prefecture of German Solomon Islands was established (from Apostolic Vicariate of New Pomerania)
1904.01.21	Apostolic Prefecture of German Solomon Islands was renamed as Apostolic Prefecture of Northern Solomon Islands
1913.07.25	Apostolic Prefecture of Kaiser-Wilhelms-Land was renamed as Apostolic Prefecture of Eastern Kaiser-Wilhelms-Land (lost territory to establish Apostolic Prefecture of Western Kaiser-Wilhelms-Land)
1913.07.25	Apostolic Prefecture of Western Kaiser-Wilhelms-Land was established (from Apostolic Prefecture of Kaiser-Wilhelms-Land)
1922.11.14	Apostolic Prefecture of Western Kaiser-Wilhelms-Land was renamed as Apostolic Prefecture of Central New Guinea
1922.11.14	Apostolic Vicariate of New Guinea was renamed as Apostolic Vicariate of Papua
1922.11.14	Apostolic Vicariate of New Pomerania was renamed as Apostolic Vicariate of Rabaul
1922.11.23	Apostolic Prefecture of Eastern Kaiser-Wilhelms-Land was promoted as Apostolic Vicariate of Eastern New Guinea
1930.05.31	Apostolic Prefecture of Northern Solomon Islands was promoted as Apostolic Vicariate of Northern Solomon Islands
1931.08.22	Apostolic Prefecture of Central New Guinea was promoted as Apostolic Vicariate of Central New Guinea
1938.03.29	Apostolic Vicariate of Papua lost territory to Diocese of Darwin
1946.06.13	Apostolic Vicariate of Papua was renamed as Apostolic Vicariate of Port Moresby (lost territory to establish Apostolic Prefecture of Samarai)
1946.06.13	Apostolic Prefecture of Samarai was established (from Apostolic Vicariate of Papua)
1952.05.15	Apostolic Prefecture of Aitape was established (from Apostolic Vicariate of Central New Guinea)
1952.05.15	Apostolic Vicariate of Eastern New Guinea was renamed as Apostolic Vicariate of Alexishafen
1952.05.15	Apostolic Vicariate of Central New Guinea was renamed as Apostolic Vicariate of Wewak (lost territory to establish Apostolic Prefecture of Aitape)
1956.11.11	Apostolic Prefecture of Aitape was promoted as Apostolic Vicariate of Aitape
1956.11.11	Apostolic Prefecture of Samarai was promoted as Apostolic Vicariate of Samarai
1957.07.05	Apostolic Vicariate of Kavieng was established (from Apostolic Vicariate of Rabaul)
1958.11.13	Apostolic Prefecture of Mendi was established (from Apostolic Vicariate of Port Moresby)
1959.06.18	Apostolic Vicariate of Goroka was established (from Apostolic Vicariate of Alexishafen)
1959.06.18	Apostolic Vicariate of Lae was established (from Apostolic Vicariate of Alexishafen)
1959.06.18	Apostolic Vicariate of Mount Hagen was established (from Apostolic Vicariate of Alexishafen and Apostolic Vicariate of Wewak)
1959.07.16	Apostolic Prefecture of Daru was established (from Apostolic Vicariate of Port Moresby)
1959.07.16	Apostolic Vicariate of Yule Island was established (from Apostolic Vicariate of Port Moresby)
1963.09.13	Apostolic Prefecture of Vanimo was established (from Apostolic Vicariate of Aitape)
1965.07.06	Apostolic Prefecture of Mendi was promoted as Apostolic Vicariate of Mendi
1966.11.15	Apostolic Vicariate of Aitape was promoted as Diocese of Aitape (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Yule Island was promoted as Diocese of Bereina (became suffragan of Port Moresby)
1966.11.15	Apostolic Vicariate of Northern Solomon Islands was promoted as Diocese of Bougainville (became suffragan of Rabaul)
1966.11.15	Apostolic Prefecture of Daru was promoted as Diocese of Daru (became suffragan of Port Moresby)
1966.11.15	Apostolic Vicariate of Goroka was promoted as Diocese of Goroka (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Kavieng was promoted as Diocese of Kavieng (became suffragan of Rabaul)
1966.11.15	Apostolic Vicariate of Lae was promoted as Diocese of Lae (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Alexishafen was promoted as Metropolitan Archdiocese of Madang (with suffragan sees Aitape, Goroka, Lae, Mendi, Mount Hagen, Vanimo and Wewak)
1966.11.15	Apostolic Vicariate of Mendi was promoted as Diocese of Mendi (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Mount Hagen was promoted as Diocese of Mount Hagen (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Port Moresby was promoted as Metropolitan Archdiocese of Port Moresby (with suffragan sees Bereina, Daru and Sideia)
1966.11.15	Apostolic Vicariate of Rabaul was promoted as Metropolitan Archdiocese of Rabaul (with suffragan sees Bougainville, Gizo, Honiara and Kavieng)
1966.11.15	Apostolic Vicariate of Samarai was promoted as Diocese of Sideia (became suffragan of Port Moresby)
1966.11.15	Apostolic Prefecture of Vanimo was promoted as Diocese of Vanimo (became suffragan of Madang)
1966.11.15	Apostolic Vicariate of Wewak was promoted as Diocese of Wewak (became suffragan of Madang)
1971.01.16	Diocese of Kerema was established (from Diocese of Bereina and Diocese of Mendi and became suffragan of Port Moresby)
1975.04.28	Diocese of Sideia was renamed as Diocese of Alotau–Sideia
1982.03.18	Diocese of Mount Hagen was promoted as Metropolitan Archdiocese of Mount Hagen (with suffragan sees Goroka, Mendi and Wabag and lost territory to establish Diocese of Wabag)
1982.03.18	Diocese of Wabag was established (from Diocese of Mount Hagen and became suffragan of Mount Hagen)
1982.06.08	Diocese of Kundiawa was established (from Diocese of Goroka and became suffragan of Mount Hagen)
1987.09.04	Diocese of Daru was renamed as Diocese of Daru–Kiunga
2003.07.04	Diocese of Kimbe was established (from Metropolitan Archdiocese of Rabaul and became suffragan of Rabaul)