Inspired by the actions of Fidel Castro's 26th of July Movement in the Cuban Revolution, in 1961 Mandela, Sisulu, and Slovo co-founded Umkhonto we Sizwe ("Spear of the Nation", abbreviated MK).
Inspirado polas accións do Movemento do 26 de xullo de Fidel Castro na Revolución Cubana, en 1961 Mandela, Sisulu e Slovo cofundaron Umkhonto we Sizwe ("Lanza da Nación", abreviado MK).