Both vicariates served lands around Lake Kivu during the early to mid 20th century.
[1] On 12 December 1912, John Joseph Hirth was appointed the first Vicar Apostolic of Kivu.
[4] The Apostolic Vicariate of Urundi was also created on 25 April 1922, serving the territory of what is now Burundi and led by Bishop Julien-Louis-Edouard-Marie Gorju.
On 14 July 1949 it was renamed to the Apostolic Vicariate of Kitega, and on 10 November 1959 was elevated to the Archdiocese of Gitega.
[3] The Apostolic Vicariate of Kivu was restored on 26 December 1929 serving the eastern Belgian Congo, led by Bishop Edoardo Luigi Antonio Leys.