Complete story of the D-Day landings at Normandy through the eyes of all its participants. D-Day was the invasion and establishment of Allied forces in France during Operation Overlord, beginning the 6th of June, 1944, and was the largest seaborne invasion in history. It began with overnight parachute and glider landings, air attacks, naval bombardments, and an early morning amphibious landing.

Based on the book by Cornelius Ryan. Originally released as a motion picture in 1962. Special features: Disc 1: audio commentary by historian Mary Corey; audio commentary by director Ken Annakin. Disc 2: "A day to remember": all-new featurette; "Longest day: a salute to courage" featurette; AMC backstory: 'The longest day'; "D-Day revisited" documentary; "Richard Zanuck on 'The longest day'" featurette; Still photo gallery; Original theatrical trailer.