 The first vicariate, from 1912 to 1922, served what are now Rwanda and Burundi.The second vicariate, from 1929 to 1952, served territory in the east of the Belgian Congo.The missions in Burundi had been under the Apostolic Vicariate of Unyanyembe, while those of Rwanda were under the Apostolic Vicariate of Southern Victoria Nyanza.