Kariba Gorge and a lower economic status compared to the Tonga on the Zambia side. Kariba Gorge Kariba Gorge is a large, natural gorge through which flowed the Zambezi River on the border of Zambia and Zimbabwe, Africa. In 1959 the large double arch concrete Kariba Dam was completed, completely filling the gorge and creating the largest man-made lake in the world. Lake Kariba was filled between 1958 and 1963 following the completion of the Kariba Dam at its northeastern end, flooding the Kariba Gorge on the Zambezi River and displacing large numbers of wildlife and the local Tonga people. The choice
Botswana–South Africa border the Limpopo River, and the border runs along the Limpopo to its confluence with the Shashe River, which is the tripoint with Zimbabwe. The western portion of the border from the Namibian tripoint to Ramatlabama was the border between British Bechuanaland to the south and the Bechuanaland Protectorate to the north. British Bechuanaland was constituted as a Crown Colony by proclamation in 1885, and incorporated the lands of the Tswana people situated to the south of the Molopo River, west of the South African Republic (the Transvaal) and not already part of the Cape Colony. The Tswana lands north of