24 May 1994
SA's newly inaugurated state president, Nelson Mandela, announced in his first State of the Nation Address to Parliament that South Africa will subscribe to the Universal Declaration of Human Rights and accede to human rights conventions of the United Nations (UN). Click here to read Nelson Mandela state of Nation Address  
References

O’Malley, State of the Nation Address 1994 ”“ Mandela,[Online], Avaliable at www.nelsonmandela.org [Accessed 23 May 2013]