Polish soldier, who participated in the Silesian Uprisings. Born on 10 October 1879 in Ruda Sląska, Wiechaczek was a Polish patriot, living in Upper Silesia, which then belonged to Germany. In 1913 he took part in a strike in the Pawel coal mine, for which he was fired. After 1918, Wiechaczek actively participated in pro-Polish movement in Silesia, and together with Jozef Trojok, he was one of leaders of the First Silesian Uprising. In 1921, he was a member of the Wawelberg Group, and for his activities, Wiechaczek was awarded the Virtuti Militari cross, number 7840