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Sunken Medieval Cargo Ship Found–The Largest Vessel of Its Kind Ever Found

Svaelget 2, dating to 1410, measures 98 feet and could carry 300 tons, revealing medieval trade scale and advanced shipbuilding, maritime archaeologists said.

  • Danish maritime archaeologists from the Viking Ship Museum uncovered Svaelget 2 in the Øresund off Copenhagen, the world's largest medieval cog measuring nearly 92 feet long, 30 feet wide, and 19 feet high.
  • Tree-Ring dating indicates the timbers were felled around 1410, pointing to Pomeranian oak and Dutch frames, while cogs were built to carry bulky cargos like timber and bricks for long-distance trade.
  • Preservation revealed both ship equipment and everyday crew belongings, with the starboard side buried over 42 feet deep preserving timbers and rigging, plus a brick-built galley with around 200 bricks, 15 tiles, bronze cooking pots, and ceramic bowls.
  • Archaeologists say the discovery is a milestone that lets researchers study medieval ship construction directly and provides proof of high castles and a surviving sterncastle, Otto Uldum said.
  • Although much was preserved, researchers say at least one mystery remains about the cargo, while the ship's open hold and lack of ballast suggest it was heavily laden and showed no military activity.
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For more than six centuries, the waters of the Sund Strait, between Denmark and Sweden, have hidden an enormous secret. We know that commercial routes marked history, and have just discovered the largest cargo ship of the Middle Ages ever documented. As the Museum of Viking Ships in Roskilde has confirmed, it is a gigantic coca whose size will allow us to better understand how trade and navigation worked in northern Europe during the 15th centur…

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Uzbekistan is best known for its Silk Road cities, and few visitors venture further west. Here, you get a new perspective on the countryside – and the consequences of climate change.

·Copenhagen, Denmark
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Since the Middle Ages, the wreckage of a 28-metre-long Viking boat has remained under 12 metres of sand in the seabed of the Strait of Öresund, which separates Denmark from Sweden. In a statement published on 28 December, the Viking Ship Museum explains that this relic of the past is not like the others, it would be the largest Viking ship ever discovered: "This discovery is an important step for maritime archaeology. It is the largest ship we k…

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Gizmodo broke the news in United States on Wednesday, January 14, 2026.
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