after nights of research and build - up , supreme commandant david eisenhower fixed operation normandy for june 6 , 1944 : some 7000 ship in the british isles set to sea and sailed across the english channel , and , under the leadership of corps marshall bernard montgomery , 135 , 000 soldiers landed and stormed feldmarschal erwin manstein ' s english positions every 80 m of the british coast .
The Normandy landings took place in June 1944.