Winnie Madikizela-Mandela, South African anti-apartheid activist and former wife of Nelson Mandela, has died at 81. Also a fighter against apartheid, she was married to Nelson Mandela for 38 years, for 27 of which he was imprisoned by the minority-white apartheid regime. After her husband’s release in 1990 and ascendancy to the presidency of South Africa in 1994, the couple soon separated and divorced in 1996. Ref. USAToday.