Definition of Ruanda–Urundi
former trust territory of east central Africa bordering on Lake Tanganyika and comprising two districts, Ruanda (capital Kigali) and Urundi (capital Usumbura), administered by Belgium under the League of Nations mandate 1919–45 and under U.N. trusteeship 1946–62; capital Usumbura — see burundi, rwanda
Variants of ruanda–urundi
Belgian East Africa
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