All Saints' Flood (1170)

The All Saints' Flood of 1170 (Allerheiligenvloed) was a catastrophic flood in the Netherlands that took place in 1170. Large parts of the Northern Netherlands, and Holland territories were overflowed.

For other uses, see All Saints' Flood (disambiguation).
Creil Woods around the year 1100. The exact position of the forest is unknown

The flooding North Sea created the islands of Wieringen and Texel. Lake Flevo was once a fresh water lake, but a sea channel opened a connection from the North Sea into the lake through Creil Woods, and turned the lake into the salt-water sea known as the Zuiderzee. The Creiler Woods vanished under the waves. The sea area increased inside the Netherlands and large peat areas developed, which were easily washed away.

The flood rendered the settlement of Rotta (the predecessor of Rotterdam) uninhabitable,[1] and marked the beginning of Amsterdam, where the area gained an open connection to the sea, and where a dam was built in the Amstel to protect the land from future floods.[2]

See also

References
  1. Van der Kolk, Donna (3 October 2016). "5x Wat je niet wist over Rotterdamse geschiedenis". Metronieuws.nl (in Dutch). Metro Nieuws. Retrieved 5 January 2021.
  2. Van Soest, Arnoud (February 2018). "Amsterdam is in de storm geboren". ONH (in Dutch). Retrieved 5 January 2021.


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