In 1953, the water rose to 4.55m on the night of 1 February, and dykes broke in at least 90 places resulting in the worst natural disaster in the Netherlands since the 1900s.
I 1953 nåede havet 4,55 m om natten den 1. februar, og diger bristede mindste 90 steder, hvilket resulterede i den værste naturkatastrofe i Holland i 1900-tallet.