D-Day The Invasion of Normandy When on D-Day-June 6, 1944-Allied armies landed in Normandy on the northwestern coast of France, possibly the one most critical event of World War II unfolded; for upon the outcome of the invasion hung the fate of Europe. If the invasion failed, the United States might turn its full attention to the enemy in the Pacific-Japan-leaving Britain alone, with most of its resources spent in mounting the invasion. That would enable …showed first 75 words of 1256 total…

…showed last 75 words of 1256 total…Brittany) to the invasion, fearful of a second Allied landing. Meanwhile, most German officials-their eyes blurred by Allied deception-continued to believe that a bigger landing was still to come in the Pas de Calais. In my opinion, the primary reason that the invasion worked was deception. D-Day was a tremendous achievement for British, Canadian and American fighting men, but it also owed an immeasurable debt to Ultra and to the deception that Ultra made possible.