Unsolved Mysteries of World War II

On the night of September 17, 1931 Angela Raubal, Adolf Hitler's niece, was found dead in Hitler's apartment. Was her death a suicide as the Nazi party claimed at the time or did Hitler himself murders his own niece in a fit of jealous rage?

On May 10, 1941 Rudolf Hess, former Deputy Fuhrer of the Third Reich, made an extraordinary lone flight to Britain. Why did the British government, instead of treating the incident as a propaganda coup, shroud the Hess affair in a web of official secrecy?

By June of 1944 Adolf Hitler had become convinced that the main Allied invasion of France would be launched against the Pas de Calais. Even when the Allied forces began to land on the Normandy coast, Hitler still refused to succumb to what he saw as a distraction, maintaining the heavy defenses at the Pas de Calais.