18th day of December

Diocese Events

See Also: Bishop Events

Year	From		To
1534	Diocese of Santo Domingo, Dominican Republic	Territory Lost	Diocese of Santiago de Guatemala	Erected
1857			Brothers of Our Lady of Mercy	Approbation
1911	Prefecture Apostolic of Uélé / Wellé, Congo (Dem. Rep.) (Eastern part)	Territory Lost	Prefecture Apostolic of Eastern Uélé {Uélé Orientale}, Congo (Dem. Rep.)	Erected
1911	Prefecture Apostolic of Uélé / Wellé, Congo (Dem. Rep.) (Western part)	Name Changed	Prefecture Apostolic of Western Uélé {Uélé Occidental}, Congo (Dem. Rep.)	Name Changed
1937			Cardinal Titular Church of Santa Maria in Vallicella	Established
1937	Cardinal Titular Church of San Tommaso in Parione	Territory Added
1937			Diocese of Nelson, British Columbia, Canada (Boundaries adjusted) Archdiocese of Vancouver, British Columbia, Canada (Boundaries adjusted)	Territory Added
1943	Archdiocese of San Salvador, El Salvador (St. Vicente, Cabanas, and La Paz)	Territory Lost	Diocese of San Vicente, El Salvador	Erected
1944	Diocese of Ayacucho o Huamanga (Guamanga), Peru (Huancavelica)	Territory Lost	Diocese of Huancavélica, Peru	Erected
1944	Diocese of Huánuco, Peru (Junín)	Territory Lost	Diocese of Huancayo, Peru	Erected
1944	Archdiocese of Arequipa, Peru (Tacna and Moquegua)	Territory Lost	Diocese of Tacna, Peru	Erected
1956	Diocese of Natchez, Mississippi, USA	Name Changed	Diocese of Natchez-Jackson, Mississippi, USA	Name Changed
1965	Vicariate Apostolic of Bangkok, Thailand	Elevated	Archdiocese of Bangkok, Thailand	Elevated
1965	Archdiocese of Bangui, Central African Republic	Territory Lost	Diocese of Bambari, Central African Republic	Erected
1965	Vicariate Apostolic of Chantaburi, Thailand	Elevated	Diocese of Chantaburi, Thailand	Elevated
1965	Prefecture Apostolic of Chieng-Mai, Thailand	Elevated	Diocese of Chieng-Mai, Thailand	Elevated
1965	Vicariate Apostolic of Nakhorn-Rajasima, Thailand	Elevated	Diocese of Nakhorn-Rajasima, Thailand	Elevated
1965	Prefecture Apostolic of Saint-Louis du Sénégal (Mauritania)	Territory Lost	Diocese of Nouakchott, Mauritania	Erected
1965	Vicariate Apostolic of Rajaburi, Thailand	Elevated	Diocese of Bangnokhuek, Thailand	Elevated
1965	Vicariate Apostolic of Thare and Nonseng, Thailand	Elevated	Archdiocese of Thare and Nonseng, Thailand	Elevated
1965	Vicariate Apostolic of Ubon, Thailand	Elevated	Diocese of Ubon, Thailand	Elevated
1965	Prefecture Apostolic of Udonthani, Thailand	Elevated	Diocese of Udonthani, Thailand	Elevated
1972	Diocese of Kandy, Sri Lanka (Uva Province)	Territory Lost	Diocese of Badulla, Sri Lanka	Erected
1972	Diocese of Kuala Lumpur, Malaysia	Elevated	Archdiocese of Kuala Lumpur, Malaysia	Elevated
1972	Archdiocese of Malacca-Singapore	Split	Diocese of Malacca-Johor, Malaysia Archdiocese of Singapore	Split
1972	Territorial Abbey of Ndanda, Tanzania	Elevated	Diocese of Mtwara, Tanzania	Elevated
1972	Diocese of Kagoshima, Japan (Ryu-Kyu) Apostolic Administration of Okinawa and the Southern Islands (Ryukyus), Japan	Territory Lost	Diocese of Naha, Japan	Erected
1972			Diocese of Penang, Malaysia (from Malacca-Singapore)	Metropolitan Changed
1989	Prefecture Apostolic of Balasore, India	Elevated	Diocese of Balasore, India	Elevated
1993	Archdiocese of Panamá (Coclé)	Territory Lost	Diocese of Penonomé, Panama	Erected
2004	Diocese of Bangassou, Central African Republic (Basse-Kotto (Mobaye, Zangba, Kembé, Satéma, Mingala, and Alindao))	Territory Lost	Diocese of Alindao, Central African Republic	Erected
2009	Eparchy of Van Nuys (Ruthenian), California, USA	Name Changed	Eparchy of Holy Protection of Mary of Phoenix (Ruthenian), Arizona, USA	Name Changed
2010	Diocese of Tilarán, Costa Rica	Name Changed	Diocese of Tilarán-Liberia, Costa Rica	Name Changed

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