The Year of Our Lord 1850

Diocese Events

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Date	From		To
unknown	Diocese of Durango, México	Territory Lost	Vicariate Apostolic of New Mexico, USA	Erected
unknown			Diocese of Zaku (Chaldean), Iraq	Erected
unknown			Diocese of Trabzon (Armenian), Turkey	Erected
unknown	Vicariate Apostolic of Madurai and Coromandel Coast, India	Territory Lost	Vicariate Apostolic of Coimbatore, India	Erected
unknown	Vicariate Apostolic of Madurai and Coromandel Coast, India	Territory Lost	Vicariate Apostolic of Mysore, India	Erected
unknown			Diocese of Ancira (Angora) (Armenian), Turkey	Restored
unknown			Vicariate Apostolic of Vizagapatam, India	Erected
unknown			Diocese of Cesarea di Cappadocia (Armenian), Turkey	Erected
15 Feb	Vicariate Apostolic of Bengal, India	Territory Lost	Vicariate Apostolic of Eastern Bengal, India	Erected
15 Feb	Vicariate Apostolic of Bengal, India	Name Changed	Vicariate Apostolic of Western Bengal, India	Name Changed
28 Feb	Diocese of Nicaragua	Territory Lost	Diocese of San José de Costa Rica (Costa Rica)	Erected
30 Apr	Vicariate Apostolic of Trinidad, Trinidad and Tobago, Antilles	Territory Lost	Diocese of Roseau, Dominica, Antilles	Erected
30 Apr	Prefecture Apostolic of West Indies, Antilles	Territory Lost	Archdiocese of Port of Spain, Trinidad and Tobago, Antilles	Erected
30 Apr			Eparchy of Ispahan {Esfáan) (Armenian), Iran	Erected
30 Apr			Diocese of Erzerum (Garin) (Armenian)	Erected
30 Apr			Diocese of Artuin degli Armeni (Armenian), Turkey	Erected
31 May	Diocese of Walla Walla, Oregon, USA	Territory Lost	Diocese of Nesqually, Washington, USA	Erected
3 Jul	Diocese of Charleston, South Carolina, USA Diocese of Mobile, Alabama, USA	Territory Lost	Diocese of Savannah, Georgia, USA	Erected
7 Jul			Diocese of Modigliana, Italy	Erected
19 Jul	Diocese of Cincinnati, Ohio, USA	Elevated	Archdiocese of Cincinnati, Ohio, USA	Elevated
19 Jul	Diocese of New Orleans, Louisiana, USA	Territory Lost	Vicariate Apostolic of Indian Territory East of the Rocky Mountains, USA	Erected
19 Jul	Diocese of New Orleans, Louisiana, USA	Elevated	Archdiocese of New Orleans, Louisiana, USA	Elevated
19 Jul	Diocese of New York, New York, USA	Elevated	Archdiocese of New York, New York, USA	Elevated
19 Jul	Diocese of Dubuque, Iowa, USA Diocese of Milwaukee, Wisconsin, USA	Territory Lost	Diocese of Saint Paul, Minnesota, USA	Erected
19 Jul	Diocese of Richmond, Virginia, USA	Territory Lost	Diocese of Wheeling, West Virginia, USA	Erected
19 Jul			Diocese of Mobile, Alabama, USA (to New Orleans)	Metropolitan Changed
19 Jul			Diocese of Natchez, Mississippi, USA (to New Orleans)	Metropolitan Changed
19 Jul			Diocese of Little Rock, Arkansas, USA (to New Orleans)	Metropolitan Changed
19 Jul			Diocese of Galveston, Texas, USA (to New Orleans)	Metropolitan Changed
23 Jul			Diocese of Santa Fe, New Mexico, USA	Erected
29 Jul	Diocese of Oregon City, Oregon, USA	Elevated	Archdiocese of Oregon City, Oregon, USA	Elevated
20 Aug			Vicariate Apostolic of Archipelago of the Navigators {Arcipelago dei Navigatori}, American Samoa, Pacific (Oceania)	Erected
27 Aug	Vicariate Apostolic of Eastern Cochin {Cocincina Orientale}, Viet Nam	Territory Lost	Vicariate Apostolic of Northern Cochin {Cocincina Settentrionale}, Viet Nam	Erected
30 Aug			Vicariate Apostolic of Cambogia, Cambodia	Erected
21 Sep			Diocese of Diano-Teggiano, Italy	Erected
27 Sep			Diocese of Martinique (Fort-de-France e Saint Pierre), Martinique, Antilles (Suffragan of Bordeaux, France)	Erected
27 Sep			Diocese of Guadeloupe et Basse-Terre, Guadeloupe, Antilles	Erected
27 Sep	Prefecture Apostolic of Bourbon, Réunion	Elevated	Diocese of Saint-Denis-de-La Réunion	Elevated
29 Sep	Vicariate Apostolic of Western District, England, Great Britain	Territory Lost	Diocese of Plymouth, England, Great Britain	Erected
29 Sep	Vicariate Apostolic of Yorkshire District, England, Great Britain	Elevated	Diocese of Beverley, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Northern District, England, Great Britain	Elevated	Diocese of Hexham, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Eastern District, England, Great Britain	Elevated	Diocese of Northampton, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Central District, England, Great Britain	Territory Lost	Diocese of Nottingham, England, Great Britain	Erected
29 Sep	Vicariate Apostolic of Western District, England, Great Britain	Elevated	Diocese of Clifton, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of London District, England, Great Britain	Territory Lost	Diocese of Southwark, England, Great Britain	Erected
29 Sep	Vicariate Apostolic of Lancashire District, England, Great Britain	Territory Lost	Diocese of Salford, England, Great Britain	Erected
29 Sep	Vicariate Apostolic of Central District, England, Great Britain Vicariate Apostolic of Lancashire District, England, Great Britain Vicariate Apostolic of Wales District, Wales, Great Britain	Territory Lost	Diocese of Shrewsbury, England, Great Britain	Erected
29 Sep	Vicariate Apostolic of London District, England, Great Britain	Elevated	Archdiocese of Westminster, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Central District, England, Great Britain	Elevated	Diocese of Birmingham, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Lancashire District, England, Great Britain	Elevated	Diocese of Liverpool, England, Great Britain	Elevated
29 Sep	Vicariate Apostolic of Wales District, Wales, Great Britain	Elevated	Diocese of Newport and Menevia, Wales, Great Britain	Elevated
15 Nov	Vicariate Apostolic of Cape of Good Hope, Eastern District {Capo de Buona Speranza, Distretto Orientale}, South Africa	Territory Lost	Vicariate Apostolic of Natal, South Africa	Erected