Radzyń Chełmiński Castle

The square keep (52 x 51 metres) is a relic of one of the oldest castles built by the Teutonic Knights. Originally known as “Rehden”, it was started in 1234 on the orders of Hermann von Balk.[2] In 1251, in the wake of the Prussian Uprising, the original wooden fort was remade in brick in 1270–1285, destroyed, then rebuilt in its current form in 1310–1330.[2]

In September 1410, after the Battle of Grunwald, it was captured by Polish forces, but soon returned to the Knights with the first Peace of Thorn (1411). In 1454, it was captured by rebels in the Thirteen Years' War (1454–1466).

Under the Second Peace of Thorn (1466), it again went into Polish control. In 1628, during the wars with the Swedes, the castle was devastated during a siege, slowly turning into a ruin.

It remained largely unusable until annexed by the Kingdom of Prussia in the First Partition of Poland in 1772. In 1780, authorities ordered the deconstruction of the castle. Bricks from the castle's outer structures and the inner keep's walls and buildings were repurposed to build houses for the nearby town. The castle's deconstruction was eventually stopped in 1837.

The site survived both World War I and World War II and was twice transferred to Poland after it regained independence in both 1918 and 1945.

Only parts of the inner keep remain extant alongside the base of the western outer wall and the western and southern walls of the southern extension. The southern buildings, eastern extension, moat, and nearby small lake no longer exist.

A restoration was undertaken in 1961-1968[2] and the inner walls, courtyard, and cellars were cleared of debris. The main wall was restored to its original height and the chapel roof replaced.

The ruins were opened for visits at the end of the twentieth century.[3][4] Currently visitors are still able to see the restored southern facade,[2] and enter the courtyard, towers, cellars, and the chapel.

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  Main building plan (black indicates surviving elements)
• 
  Site plan of the 1330 castle.
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  Model
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  1880 lithograph.
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  Rear view (2010)
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  Interior (2020)

• List of Gothic brick buildings in Poland
• Gothic architecture in modern Poland

• Radzyń Chełmiński Castle (Wikimedia)
• Radzyń Chełmiński
• Zamek Radzyń Chełmiński (YouTube)