The term 'ALLIED LANDING SITE ON D-DAY' can be summarized as the Normandy landings, which took place on June 6th, 1944. This was a major Allied invasion of German-occupied France during World War II, and was the largest seaborne invasion in history. The operation was codenamed Operation Neptune and was led by General Dwight D. Eisenhower. The landings were successful and marked a turning point in the war.