Changes in Ecclesiastical Jurisdictions in British Indian Ocean Territory

Date	Change
1818.06.08	Apostolic Vicariate of Cape of Good Hope and adjacent territories was established (from Diocese of Tomé and Territorial Prelature of Mozambique)
1829	Apostolic Vicariate of Cape of Good Hope and adjacent territories lost territory to Apostolic Prefecture of Bourbon
1837.06.06	Apostolic Vicariate of Cape of Good Hope and adjacent territories was renamed as Apostolic Vicariate of Mauritius (lost territory to establish Apostolic Vicariate of Cape of Good Hope and Saint Helena Island)
1847.12.07	Apostolic Vicariate of Mauritius was promoted as Diocese of Port-Louis (without ecclesiastical province)