 Nilson Mandela ayaa ka mid ahaa dadyoowga ugu cadcad ee dagaalkii aan muruqa ku dhisneyn ee lagula jiray nidaamkii midab-takoorka, hase yeeshee wixii ka dambeeyey dhacdadii xasuuqa ee Sharpeville uu qeyb ka noqday dagaalkii hubeeysnaa ee jabhaddii ANC, isagoona xabsi ku jiray muddo 27 sannadood ah, 18 sannadood oo ka mid ahina uu ku sugnaa xabsiga caanka ah ee Robben Island. 