Prime Minister of Rhodesia held the post until the end of Federation on 31 December 1963. When Northern Rhodesia gained independence as Zambia on 24 October 1964, Southern Rhodesia began to refer to itself simply as "Rhodesia". Prime Minister Ian Smith's government issued a Unilateral Declaration of Independence from Britain in 1965, and he remained Prime Minister when the country was declared a republic in 1970. Under the Internal Settlement in 1979, after a long period of conflict, the country became known as Zimbabwe-Rhodesia, with Abel Muzorewa as its first black Prime Minister. None of these acts were recognised internationally, and under the Lancaster
Northern Rhodesia Northern Rhodesian settlers were only prepared to join Southern Rhodesia if there were no other way to achieve minority rule. When Northern Rhodesia's mining industry suffered a major downturn in the 1930s, its representatives pushed for amalgamation in January 1936 at Victoria Falls, but the Southern Rhodesian Labour Party who blocked it, because the British government objected to Southern Rhodesian policies of job reservation and segregation being applied in the north. Shortly after the Copperbelt strike of 1935 there was an election to the legislative council, in which all candidates supported investigating the amalgamation of Northern and Southern Rhodesia. After