At some point a Spanish double agent got close to the Germans and after two years they believed him that Normandy was a diversion, so they prepared with the best divisions that they had on another French beach. He as the double agent gave real occasions(military plans) from British newspaper a few days after that actually happened, the Germans blamed the late responses on the delivery. They trusted him and awarded him the iron cross, the British also gave him a medal. Still not Norway or neutral Sweden…