The head of the British Army, Mason Macfarlane, wanted to kill Hitler in 1939 but was overruled by his superiors.

On June 22, 1941, Germany broke the Molotov-Ribbentrop pact it had signed with Stalin on August 23, 1939. The Katyn Forest in September 1939 witnessed Soviet atrocities. Polish university professors, pilots, lawyers, and military officers were imprisoned and massacred in 1940......