Letter from Herman Göring to Reinhard Heydrich that lead to Heydrich chairing the 1942 Wannsee Conference, which discussed plans for the deportation and extermination of all Jews in German-occupied territory. Though the chain of command went from Heinrich Himmler to Heydrick, Göring was appointed Reichsmarschall by Hitler in 1941 making him senior to all other military commanders.
Western Marches 