The "Fort bij Uithoorn (Fort at Uithoorn)", model B, was completed in 1911 as part of the Stelling van Amsterdam (Defence Line of Amsterdam, which is a UNESCO World Heritage Site).
The fort was mobilized both in 1914-1918 (amongst others also by an anti aircraft unit) and in 1940. In World War II, the Germans used it as part of the 'Vordere Wasserstellung'.
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