The Battle of Normandy, codenamed Operation Overlord was the Allied invasion of Normandy, part of the Normandy Campaign.
Operation Neptune''' was the codename given to the initial naval assault phase of Operation Overlord; its mission, to gain a foothold on the continent.
" Normandy Campaign ：Also called Operation Overlord,Allied invasion of northern Europe in World War II that began on June 6, 1944, with the largest amphibious landing in history in Normandy, France. "
