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 and Luanshya, all on what later became known as the Copperbelt and exploration in 1895 by the British South Africa Company's celebrated American scout, Frederick Russell Burnham, who led and oversaw the massive Northern Territories (BSA) Exploration Co. expedition first established for Westerners that major copper deposits existed in Central Africa. Along the Kafue River in then Northern Rhodesia, Burnham saw many similarities to copper deposits he had worked in the United States, and he encountered natives wearing copper bracelets. Later, the British South Africa Company built towns along the river and a railway to transport the copper through Mozambique.