WORLD HISTORY

Detailed explanation-1: -The D-Day operation of June 6, 1944, brought together the land, air, and sea forces of the allied armies in what became known as the largest invasion force in human history. The operation, given the codename OVERLORD, delivered five naval assault divisions to the beaches of Normandy, France.

Detailed explanation-2: -Normandy Invasion, also called Operation Overlord or D-Day, during World War II, the Allied invasion of western Europe, which was launched on June 6, 1944 (the most celebrated D-Day of the war), with the simultaneous landing of U.S., British, and Canadian forces on five separate beachheads in Normandy, France.