 Nyuma yintambara ya mbere yisi, nukuvuga mu 1916 nibwo Ububiligi bwatangiye kujya mu Rwanda no mu Burundi, maze buyobora ku mugaragaro ibyo bihugu nyuma yo guhabwa ububasha numuryango wabibumbye, kuva mu 1924 kugeza mu 1962, aho ibyo bihugu byaboneye ubwigenge. 