Rhodesia ( roh-DEE-zhə, roh-DEE-shə; Shona: Rodizha), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979. During this fourteen-year period, Rhodesia served as the de facto successor state to the British colony of Southern Rhodesia, and in 1980 it became modern day Zimbabwe. . Southern Rhodesia had been self-governing since achieving responsible government in 1923.
https://en.wikipedia.org/wiki/Rhodesia