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
Company rule in Rhodesia of the century, Rhodes's Company held a vast, land-locked country, bisected by the Zambezi river. It officially named this land Rhodesia in 1895, and ran it until the early 1920s. The area south of the Zambezi became Southern Rhodesia, while that to the north became North-Western and North-Eastern Rhodesia, which were joined in 1911 to form Northern Rhodesia. Within Northern Rhodesia, there was a separate Kingdom called Barotseland which later became a British protectorate alongside other territories under the British sphere of influence. Each territory was administered separately, with an administrator heading each territorial legislature. In Southern Rhodesia, which attracted