In the winter of 1964, Nelson Mandela arrived on Robben Island where ... He could write and receive one letter every six months. But Robben Island became the crucible which transformed him.

violence was the only weapon that would destroy apartheid." Nelson Mandela, 1959 "Monitoring Mandela (Four Police Letters)" These letters capture what it was like to be a banned political activist.

the letter, which was seen by the AP ... Mvezo is a village in the Eastern Cape of South Africa where Nelson Mandela was born. Nelson Mandela died at his Johannesburg home in 2013.

We went on a tour of Constitution Hill - the foundation of liberation in South Africa.