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World's Largest Cog Ship Discovered Near Copenhagen

1/25/2026

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Summary

Story summary

Svælget 2, the world's largest cog ship, was found in the Øresund strait near Copenhagen during seabed surveys for the Lynetteholm development.
It dates to 1410 and measures 92 feet long.
Its preservation is remarkable, with rigging and personal items recovered.
Archaeologist Otto Uldum noted the rarity of well-preserved cogs and its historical value.
The finding advances understanding of medieval trade and the transport of everyday commodities.

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Story summary

Svælget 2, the world's largest cog ship, was found in the Øresund strait near Copenhagen during seabed surveys for the Lynetteholm development.
It dates to 1410 and measures 92 feet long.
Its preservation is remarkable, with rigging and personal items recovered.
Archaeologist Otto Uldum noted the rarity of well-preserved cogs and its historical value.
The finding advances understanding of medieval trade and the transport of everyday commodities.