 On 31 August 1982, in the copper-mining town of Lubin, 3 people were mortally wounded by ZOMO.Until the end of the martial law on 22 July 1983, approximately 91 people were killed, though this figure varies and is still debated among historians.When Edward Gierek succeeded Gomułka as the head of state in 1970, he took decisive measures to boost economic growth and develop modern infrastructure.