United Nations Security Council resolution 539, adopted on 28 October 1983, after hearing a report from the Secretary-General and reaffirming resolutions 301 (1971), 385 (1976), 431 (1978), 432 (1978), 435 (1978), 439 (1978) and 532 (1983), the Council condemned South Africa's continued occupation of Namibia, then known as South West Africa, and the tension and instability prevailing in southern Africa as a result.