5 September 1969
Prime Minister John Vorster appoints a Commission of Inquiry under chairmanship of Justice H. J. Potgieter of The Appellate Division of the Supreme Court to investigate South Africa's security network, and to hear objections to its security legislation. Terms of reference of the commission include threats of conventional war, guerrilla war, terrorism and internal subversion. Recommendations are to be submitted concerning the effectiveness of security and amendment to legislation.  
References

Nelson mandela center of memory,"5 September 1969", from Nelson mandela center of memory, available at www.nelsonmandela.org,[Online],[Accessed : 23 August 2013]