Land mine invention by the Polish officer Józef Kosacki. His invention, known as the Polish mine detector, was used by the Allies alongside mechanical methods, to clear the German mine fields during the Second Battle of El Alamein when 500 units were shipped to Field Marshal Montgomery's Eighth Army. The Nazis used captured civilians who were chased across minefields to detonate the explosives. According to Laurence Rees "Curt von Gottberg, the SS-Obergruppenführer who, during 1943, conducted another huge anti-partisan action called Operation Kottbus on the eastern border of Belarus, reported that 'approximately two to three thousand local people were blown up in
8th Army (Wehrmacht) heavy combat during the Battle of the Bzura. After the conclusion of the Polish campaign, it was reorganized into the 2nd Army which took part in the Battle of France in 1940. In 1943 it was reformed after the Battle of Kursk from Army Detachment Kempf. After fierce defensive battles throughout 1943, 1944 and the first months of 1945, it finally surrendered in Austria in 1945. It fought in Hungary, Romania, and Austria in 1944 and 1945. 8th Army (Wehrmacht) The 8th Army (German: "8. Armee Oberkommando") was a World War I and possibly World War II field army. It