Reinhard Tristan Eugen Heydrich (7 March 1904 – 4 June 1942) was a high-ranking German Nazi official during World War II, and one of the main architects of the Holocaust. He was SS-Obergruppenführer (General) and General der Polizei, chief of the Reich Main Security Office (including the Gestapo, and Kripo) and Stellvertretender Reichsprotektor (Deputy Reich-Protector) of Bohemia and Moravia. In August 1940 he was appointed and served as President of Interpol.
A soldier of the 2nd Hungarian Army wades in the shallow part of the Don river. As the result of the large-scale Soviet attack, the Army was forced to retreat to the second line of defense. During the fighting on the Don river area, the Hungarians suffered heavy losses.