Postcards Catalog - Ruanda-Urundi

Ruanda-Urundi was a part of German East Africa under Belgian military occupation from 1916 to 1924. It was then a League of Nations class B mandate of Belgium from 1924 to 1945.
It transitioned to a United Nations trust territory (still Belgian) from 1945 until 1962, when it became the independent states of Rwanda and Burundi.