5 January 1976
The South African Broadcasting Corporation (SABC) started regular daily television transmissions on a single channel after seven months of trial transmissions during 1975. The service was officially opened by Prime Minister B.J. Vorster, who warned against slanted news and unbalanced presentations.
References

Kalley, J.A.; Schoeman, E. & Andor, L.E. (eds)(1999). Southern African Political History: a chronology of key political events from independence to mid-1997, Westport: Greenwood.|Wallis, F. (2000). Nuusdagboek: feite en fratse oor 1000 jaar, Kaapstad: Human & Rousseau. (2005). Milestones, The Star, 5 January.