when did germans invade normandy france in wwii
15 photos: Photos: The Allied invasion of Normandy. The Allied invasion of Normandy â American troops storm the beaches of Normandy, France, on June 6, 1944. D-Day was the largest seaborne invasion in history. More than 150,000 Allied troops -- about half of them Americans -- invaded Western Europe, overwhelming German forces in an operation that proved to be a turning point in World War II.