The Battle of Normandy or Normandy Campaign includes the following: * Operation Overlord – The Western Allied campaign in France from June 6 – August 25, 1944 * The Invasion of Normandy, or "Operation Neptune" – The initial part of Overlord, from June 6 – mid-July 1944 * The Normandy landings on June 6, 1944 * Operation Cobra, the breakout from Normandy, starting on July 25, 1944 The "Battle of Normandy" is the official term for the British, French and Canadian military campaign lasting from June 6 – September 1, 1944.