Prime Minister of Rhodesia Prime Minister of Rhodesia The Prime Minister of Rhodesia (before 1964, of Southern Rhodesia) was the head of government in Rhodesia. Rhodesia, which became a self-governing colony of Britain in 1923, unilaterally declared independence on 11 November 1965, and was thereafter an unrecognized state in practice until 1979. In December 1979, the country came under temporary British control, and in April 1980 the country gained recognized independence as Zimbabwe. Rhodesia's political system was modeled on the Westminster system, and the Prime Minister's role was similar to that of the same position in other countries with similar constitutional histories – Canada,
Deputy Prime Minister of Australia leader of the Country Party (subsequently the National Party). That continues to be case when the Coalition is in government. In the case of Labor governments, the party's deputy leader was and continues to be the Deputy Prime Minister. On 19 December 1967, John McEwen, the long-serving leader of the Country Party in the Coalition government, was sworn in as interim Prime Minister following the sudden death in office of Prime Minister Harold Holt. (There was discussion that deputy Liberal leader and Treasurer William McMahon should assume the office. McMahon had planned a party room meeting on 20 December to