One Clear Call Author:Upton Sinclair The Beginning of the End. June 6, 1944--D Day. The mightiest invasion force ever assembled on the face of the earth landed on the beaches of Normandy and began to slug its way into the heart of Nazi Germany. It was the beginning of the end for the Thousand Year Reich. But D-Day would have been impossible had it not been for the precise intel... more »ligence furnished the Allied high command by the brave men and women of the Resistance. The bravest of the Resistance fighters were the double agents.« less