World D-Day: 17 stunning photos from 1944 show how hard the Normandy invasion really was June 6, 2019June 6, 2019 Ryan W. Miller, USA TODAY Comments Off on D-Day: 17 stunning photos from 1944 show how hard the Normandy invasion really was On June 6, 1944, Allied forces stormed the beaches of Normandy in Nazi-occupied France during World War II, forever reshaping the war during D-Day.