 In 1851 the Emperor Francis Joseph I of Austria (a Catholic monarchy without overseas colonial interests) took the mission under his protection.It was also known as the Apostolic Vicariate of Sudan (), or in full Vicariate Apostolic of Sudan or Central-Africa, by the early 20th-century.It lost territory on 1880.09.27 to establish the Apostolic Vicariate of Tanganyika and again in October 27, 1880 to establish the Apostolic Vicariate of Nyanza (now the Archdiocese of Kampala), in Uganda.