The order for the Final Solution was given sometime between October of 1941, when the German troops in front of Moscow first began to run out of their summer steam, and January 20,1942, when the infamous Wansee Conference was held in the mansion by the same name outside Berlin, where Himmler's second in command, Reinhard Heydrich, laid down the law to the Reich's leading actualizing luminaries, there was an earlier murder program called T-4.