Twierdza Grudziądz, Military fortress in Grudziądz, Poland
The Grudziądz Fortress comprises multiple fortified structures spanning across the city, forming one of the largest military complexes in northern Poland.
King Frederick II of Prussia ordered the construction of this neoclassical fortress in 1776, establishing military control over the Vistula River crossing.
The fortress serves as an educational center where visitors learn about 18th-century military architecture and regional defense systems through guided tours.
The fortress opens three times per year for public visits, with additional access dates available through special permits from the Polish Armed Forces.
The central citadel withstood a 313-day siege by Napoleonic forces in 1807, during which half of its 5,000-strong garrison faced casualties.
Location: Grudziądz
Inception: June 6, 1776
Architectural style: Neoclassical architecture
GPS coordinates: 53.51390,18.76110
Latest update: May 11, 2025 06:39
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