TANGANYIKA (TANZANIA SINCE 1964) was part of German East Africa from 1885 to 1918. It became a British League of Nations mandate between 1922 and 1946 and a British United Nations Trusteeship Terri-tory between 1946 and 1961. On December 9, 1961, Tanganyika gained independence from the British, and in 1964 it merged with Zanzibar, a former British protectora…