Deputy Prime Minister of Rhodesia
The Deputy Prime Minister of Rhodesia was the deputy head of government of Rhodesia (Southern Rhodesia until 1964), serving under the Prime Minister of Rhodesia. Rhodesia, which became a self-governing colony of the United Kingdom in 1923, unilaterally declared independence on 11 November 1965, and was thereafter an unrecognized state until 1979.
Source: Wikipedia — Deputy Prime Minister of Rhodesia (CC BY-SA 4.0)