How many presidents were elected in South Africa before 1994?

Before 1994, South Africa had a total of 10 presidents, starting from the establishment of the office in 1960. The last president before the end of apartheid was F.W. de Klerk, who served from 1989 until the transition to a democratic government. The first democratic elections in 1994 led to Nelson Mandela becoming the country's first Black president.