Rhodesia (region) Rhodesia (region) Rhodesia is a historical region in southern Africa whose formal boundaries evolved between the 1890s and 1980. Demarcated and named by the British South Africa Company (BSAC), which governed it until the 1920s, it thereafter saw administration by various authorities. It was bisected by a natural border, the Zambezi. The territory to the north of the Zambezi was officially designated Northern Rhodesia by the Company, and has been Zambia since 1964; that to the south, which the Company dubbed Southern Rhodesia, became Zimbabwe in 1980. Northern and Southern Rhodesia were sometimes informally called "the Rhodesias". The term "Rhodesia"
Southern Rhodesia Treaty, which was signed by King Lobengula of the Ndebele people. "Southern" was first used in 1898 and dropped from normal usage in 1964, on the break-up of the Federation of Rhodesia and Nyasaland. "Rhodesia" then remained the name of the country until the creation of Zimbabwe Rhodesia in 1979. Legally, from the British perspective, the name Southern Rhodesia continued to be used until 18 April 1980, when the Republic of Zimbabwe was promulgated. The British government agreed that Rhodes' company, the British South Africa Company (BSAC), would administer the territory stretching from the Limpopo to Lake Tanganyika under charter