a region in N France along the English Channel: invaded and settled by Scandinavians in the 10th century, becoming a duchy in a.d. 911; later a province, the capital of which was Rouen; Allied invasion in World War II began here June 6, 1944.
Nor·man·dy (nôr'mən-dē) A historical region and former province of northwest France on the English Channel. Part of ancient Gaul, the region was successively conquered by the Romans, Franks, and Norse; passed to England after the Norman Conquest (1066) and during the Hundred Years' War (1337-1453); and was restored to France in 1450. Its beaches were the focal point of Allied landings on D-day (June 6, 1944) in World War II.