All Saints Flood 1570
The All Saints Flood of 1570 occurred on November 1st, 1570 .
The entire coast from Flanders via Groningen to north-west Germany was flooded. Five sixths of Holland were flooded. There were about 20,000 dead.
In the Altes Land , in Stillhorn , Moorwerder and in the Vier- und Marschlanden the dikes broke. In Hamburg the Ellerntorsbrücke was destroyed.
In the north of the island of Strand there were several breaches of the dike that could not be closed again until years later.