who launched the d-day invasion
1. D-Day was the start of Operation 'Overlord' - the Allied invasion of Occupied Europe. EA 51048. Troops of the US 7th Corps wading ashore on Utah Beach. On D-Day, 6 June 1944, Allied forces launched a combined naval, air and land assault on Nazi-occupied France. Codenamed Operation 'Overlord', the Allied landings on the Normandy beaches marked the start of a long and costly campaign to liberate north-west Europe from German occupation.