Even by the standards of the Second World War, 1941 proved to be a somewhat eventful. The U.S. joined the war after Pearl Harbor, Germany invaded the Soviet Union – and back in Berlin the Nazis were preoccupied with a Finnish dog called Jackie. Papers just released by the German Foreign Office reveal Adolf Hitler’s regime was increasingly angry that the animal, which had been taught to raise its paw mimicking the Nazi salute, was mocking the Fuhrer. The mutt named Jackie, seen here with Finnish businessman owner Tor Borg, was dubbed Hitler by Borg's wife as it raised its...