9 February 1978
Winnie Mandela (now Winnie Madikizela-Mandela), restricted to a Black township at Brandfort, Orange Free State, was sentenced to six months' imprisonment (suspended for four years) for breaking her banning and house arrest order by receiving unauthorised visits by friends and relatives.
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.