The cinematic portrayal of D-Day (June 6, 1944) holds a unique and powerful place in film history. This single day, codenamed Operation Overlord, marked the beginning of the Allied liberation of Western Europe from Nazi occupation during World War II. It was an endeavor of staggering scale and unimaginable peril, involving over 156,000 troops crossing the English Channel to land on five beaches in Normandy, France. Capturing this event on film presents immense logistical, narrative, and emotional challenges, resulting in a subgenre of war cinema that ranges from epic, star-studded reconstructions to intimate, gritty character studies.