The D-Day Invasion, also known as Operation Overlord, was a massive military campaign that took place on June 6, 1944, marking the beginning of the liberation of Western Europe during World War II. This operation involved the coordinated efforts of Allied forces to land on the beaches of Normandy, France, and was pivotal in shifting the momentum of the war against Nazi Germany. The success of D-Day not only showcased the strength and determination of the Allied forces but also symbolized a significant turning point in the global conflict.