Nelson Mandela's spouse useless, private assistant studies.
The programme at the 40-000 capacity stadium started at 9am.
Madikizela-Mandela, the former wife of the late Nelson Mandela, died on April 2 in a Johannesburg hospital after a long illness.
Smith paid homage to her revolutionary spirit, and her role in the struggle: "They were not planning for a woman..." Loudly and without apology, she spoke truth to power.
He recited Maya Angelou's poem "Nonetheless I Rise".
"Perhaps this is not something we immediately think of, when we pay tribute to Winnie Madikizela-Mandela".
". In death‚ she has demonstrated that our many differences along political party and racial lines and the numerous disputes we may have are eclipsed by our shared desire to follow her lead in building a just‚ equitable and caring society".
"I am Joy Chauke, I am Winnie Madikizela-Mandela".
Orlando Stadium reverberated as thousands sang liberation songs, paying tribute to the freedom fighter known to many simply as Mama Winnie.
Yesterday there were two memorial service held in her remembrance. She passed away last week at the age of 81 years and, in her death, the global press and enemies of black consciousness went after her.
They say she was accessible and one with them.
Apartheid security agents have gone on the record revealing the extent of their propaganda campaign against Madikizela-Mandela. Sisters and brothers, Winnie Mandela was and will forever remain a force multiplier. In 1977, she was uprooted from her Soweto home and placed under house arrest for eight years in a small town, Brandfort.
The punishment she suffered took a brutal toll physically and psychologically.
At the age of 22, she met and married a young lawyer and anti-apartheid activist, Nelson Mandela.
They were accused of the disappearances and killings of at least 18 boys and young men and the group's leader was convicted of killing a 14-year-old boy, nicknamed "Stompie", who was accused of being a police informer.
Madikizela-Mandela refused to show remorse for abductions and murders carried out in her name, and separated from her husband in 1992.
In it, he told "the story of the coarse Madikizela-Mandela".
President Cyril Ramaphosa, dignitaries from around the continent and many of South Africa's most famous political and cultural figures joined rank and file members of the ruling African National Congress and well-wishers from around the country.
She led an worldwide campaign calling for his release. She was one of you.
Ramaphosa mentioned the traumas that Madikizela-Mandela endured as a goal of the highly effective apartheid state inflicted "deep wounds" that by no means healed - and went largely ignored by many friends. With her strength and courage she redefined the struggle.
The UN chief outlined her personal sacrifices, such as enduring harassment, torture and imprisonment, while noting that her resistance inspired others to keep hope alive through the struggle's darkest periods. "Immediately is a second to heal these wounds".
"Sell outs‚ we see you..."