SOUTH AFRICA Presidents 1961-94 Charles Robberts Swart 1894-1982 President 1961-67 Jozua François Naudé 1889-1969 President 1967-68 Jacobus Johannes Fouché 1898-1980 President 1968-75 Nicolaas J. Diederichs 1903-1978 President 1975-78 Marais Viljoen 1915-2007 President 1978 Baltasar J. Vorster 1915-1983 President 1978-79 Marais Viljoen 1915-2007 President 1978 Pieter Willem Botha 1916-2006 President 1984-89 Frederik W. de Klerk 1936 President 1989-94