What event happened on June 6 1944 that changed the tide of the war in Europe?

On June 6, 1944, Allied forces launched Operation Overlord, commonly known as D-Day, by landing on the beaches of Normandy, France. This massive amphibious invasion marked a pivotal turning point in World War II, as it established a crucial foothold in Europe from which the Allies could advance against Nazi Germany. The successful landings facilitated the liberation of Western Europe and ultimately contributed to the defeat of Nazi forces in 1945.