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Dutch Inundated Defense Lines
In 1672, as French forces approached Amsterdam, the Dutch Republic breached dikes to flood the lowlands, forming the Hollandse Waterlinie that stalle…
Timeline
- 1672Western Dutch Republic · NetherlandsThe rapid French advance directly threatened core cities such as Amsterdam; Dutch authorities, building on existing water line plans, decided to breach dikes and flood the land, trading territory for strategic depth.
- 1672Dutch sea dikes · NetherlandsThe Dutch opened sea dikes and canal gates, letting seawater and river water flood farmland and polders, creating extensive shallow areas impassable to French cavalry and artillery, while severely disrupting supply lines.
- 1672Amsterdam · North HollandThe inundated line successfully held the French south of Amsterdam, buying the Dutch breathing room. This case reinforced the Dutch tradition of hydraulic-based geopolitical defense, and the water line was expanded multiple times thereafter.
Sources
- Hollandic Water Line https://en.wikipedia.org/wiki/Dutch_Water_Line
- Franco-Dutch War https://www.britannica.com/event/Franco-Dutch-War