noun
Normandy landings; Invasion of Normandy
Historical term referring to the Allied invasion of Normandy in 1944 during World War II.
ノルマンディー上陸作戦は第二次世界大戦の転換点となった。
The Normandy landings became a turning point in World War II.
From English 'Normandy' (ノルマンディー) and Japanese 上陸作戦 (じょうりくさくせん, 'landing operation').