Winnie Mandela: Anti-apartheid campaigner's life in picturesAFPWinnie Madikizela Mandela was dubbed the "Mother of the Nation" for her anti-apartheid work.AFPShe was a symbol of the anti-apartheid struggle with her then-husband, Nelson Mandela, for nearly three decades.ReutersShe was also detained various times during the apartheid era.ReutersShe met international dignitaries - such as US Senator Edward Kennedy - to try to secure Mr Mandela's release from prison.ReutersShe was accused of involvement in the killing of a 14-year-old township militant, Stompie Seipei (pictured) - allegations that she denied.PAWinnie and Nelson Mandela divorced in 1996, six years after he was freed.ReutersWinnie Mandela became a senior politician after the ANC party took power, but often courted controversy.Getty ImagesShe remained a prominent public figure - here supporting athlete Caster Semenya - even after Mr Mandela left office.South Africa's Winnie Mandela dies at 81Obituary: Winnie Madikizela-Mandela