Kornwerderzand, with a bunker-complex that defended the eastern end of the Afsluitdijk connecting Friesland to North Holland and was held and until ordered to capitulate, Dutch Army troops massacred wave after wave of German attackers, with support from the Royal Netherlands Navy cruising off shore on the North Sea. A small force of some 230 infantrymen stopped a complete German cavalry division in what become known as the Battle of the Afsluitdijk.