https://en.wikipedia.org/wiki/Nelson_Mandela

Nelson Rolihlahla Mandela was a South African anti-apartheid revolutionary, political leader, .... Because Mandela was the king's child by a wife of the Ixhiba clan, ..... In December 1956, Mandela was arrested alongside most of the ANC ...

https://www.history.com/this-day-in-history/nelson-mandela-released-from-prison

Nelson Mandela, leader of the movement to end South African apartheid, ... In 1961, he was arrested for treason, and although acquitted he was arrested again  ...

https://www.pbs.org/newshour/world/nelson-mandela-1

Jul 18, 2013 ... Former South African president and anti-apartheid activist Nelson ... In all, Mandela was imprisoned for 27 years, 18 of those on Robben Island, ... “People refer to 'Robben Island University' because they began to study” ...

https://www.enotes.com/homework-help/why-was-mandela-imprisoned-281621

During the apartheid era, Nelson Mandela was imprisoned for a number of crimes. However, the real reason that he was imprisoned is because he was working ...

https://www.quora.com/What-are-the-reasons-why-Nelson-Mandela-went-to-jail

Originally Answered: Why did Nelson Mandela go to jail? ... I heard) one of the main reasons he stayed on as President of SA for only one term.

https://www.nelsonmandela.org/content/page/trials-and-prison-chronology

Nelson Mandela was arrested on several occasions and stood trial four times. He spent over 27 years in prison. Our archivists and researchers have assembled ...

https://www.nelsonmandela.org/news/entry/nelson-mandela-sentenced-to-life-imprisonment-44-years-ago

Jun 10, 2008 ... Because apartheid rules applied also to prisoners, he was held in Pretoria ... He was arrested on August 5, 1962 in Howick, KwaZulu-Natal.

http://www.findingdulcinea.com/news/on-this-day/June/Nelson-Mandela-Sentenced-to-Life-in-Prison.html

On June 12, 1964, Nelson Mandela received a life sentence for committing ... apartheid, had been arrested in 1956 on treason charges, but was acquitted. ... “ The press dubbed him 'the Black Pimpernel' because of his ability to evade police.”

https://www.washingtonpost.com/news/worldviews/wp/2018/07/18/how-did-nelson-mandela-survive-27-years-in-prison-a-new-collection-of-letters-sheds-light/

Jul 18, 2018 ... “The Prison Letters of Nelson Mandela,” edited by South African journalist ... While his daughters were young when he was arrested, Mandela ...

https://www.nelsonmandela.org/content/page/prison-timeline

5 August 1962: Arrested. 7 November 1962: Sentenced to five years for leaving the country without a passport and incitement. Begins serving his sentence at the  ...