Medieval cog from the Gulf of Gdańsk. Unique hull fragment on display in Tczew

At the Shipwreck Conservation Centre in Tczew, visitors can now admire one of the most remarkable relics of medieval shipbuilding – a preserved fragment of the hull from a cog-type vessel, which sank around 1408 shortly after leaving the port of Gdańsk.

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31 august 2025   |   07:49   |   Source: Gazeta Morska   |   Prepared by: Kamil Kusier   |   Print

fot. Narodowe Muzeum Morskie

The find is an invaluable testimony to early maritime trade on the Baltic. It consists of five strakes fastened to the ship’s frames with wooden pegs. On the inner side, a ceiling plank (potnica) has also survived – separating the cargo hold from the structural reinforcement. This rare detail sheds new light on the construction methods of cogs, the backbone of merchant fleets in the Baltic and North Sea during the late Middle Ages.

The Shipwreck Conservation Centre, part of Poland’s National Maritime Museum, is the only institution of its kind in the country and one of the few in Europe. Here, specialists restore and preserve shipwrecks retrieved from the Baltic seabed, while the public gains direct access to these exceptional artefacts. The exhibition offers a vivid encounter with the seafaring traditions of medieval merchants and sailors.

The cog hull fragment is more than an archaeological exhibit – it is a tangible reminder of the centuries-old maritime heritage of Gdańsk and the Baltic region.

• Standard admission: 24 PLN
• Reduced admission: 19 PLN

A visit to Tczew is a must for maritime professionals, historians, and all who are passionate about the sea.

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