The Apostolic Vicariate of Ruanda was created on 25 April 1922 from the northern part of the former Apostolic Vicariate of Kivu, serving the territory of what is now Rwanda.
It was led by Bishop Léon-Paul Classe of the White Fathers.
[1] The Apostolic Vicariate of Urundi was created on the same date, serving the territory of what is now Burundi and led by Bishop Julien-Louis-Edouard-Marie Gorju.
On 14 February 1952 the Apostolic Vicariate of Ruanda was divided into the Apostolic Vicariate of Kabgayi under Bishop Déprimoz and the Apostolic Vicariate of Nyundo under Bishop Aloys Bigirumwami.
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