World War II is the defining conflict of the 20th century, one that created a line in the sands of history dividing the pre-war and post-war eras. In this epoch-defining conflict lies another definitive moment: the invasion of a 50-mile stretch of coast in Normandy, France, on June 6, 1944. This battle, also known as D-Day, was the pivot point of the war in Europe. Its success led to a nearly yearlong, bloody campaign that saw the liberation of France, Luxembourg, Belgium, and the Netherlands, followed by the final defeat of Hitler’s Third Reich.