Mezue ahịrịokwu na-esonụ: Enwere ike ịchọta nchebe idei mmiri kachasị ukwuu na nke kachasị mma na Netherlands, ebe a na-akpọ ha Delta Works na Oosterschelde dam dị ka ihe mgbaru ọsọ ya. E wuru ụlọ ọrụ ndị a n'ihi
Iju mmiri nke Oké Osimiri North nke 1953, n'akụkụ ndịda ọdịda anyanwụ Netherlands. Ndị Netherlands ewuworị otu n'ime mgbochi mmiri kasị ukwuu n'ụwa n'ebe ugwu nke mba ahụ. Afsluitdijk mechiri na 1932.