All Saints' Flood (1170)
The All Saints' Flood of 1170 was a catastrophic flood in the Netherlands that took place in 1170. Large parts of the Northern Netherlands, and Holland territories were overflowed.
The flooding North Sea created the islands of Wieringen and Texel. Lake Flevo was once a fresh water lake, but. The Creiler Woods vanished under the waves. The sea area increased inside the Netherlands and large peat areas developed, which were easily washed away.
