Which battle happened first? Operation Overlord or the Battle of the Ch'ongch'on River?
Operation Overlord: Operation Overlord was the codename for the Battle of Normandy, the Allied operation that launched the successful invasion of German-occupied Western Europe during World War II. Operation Overlord:  The operation was launched on 6 June 1944 with the Normandy landings (Operation Neptune, commonly known as D-Day). Battle of the Ch'ongch'on River: The Battle of the Ch'ongch'on River, also known as the Battle of the Ch'ongch'on () or the Second Phase Campaign Western Sector (), was a decisive battle in the Korean War, and it took place from November 25 to December 2, 1950, along the Ch'ongch'on River Valley in the northwestern part of North Korea.
Operation Overlord