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Cog Ship

Type Object Region Northern Europe Time c. 1100–1400

The cog was a broad-bodied merchant vessel widely used in northern Europe and the North Sea region in the 12th century, characterized by a flat botto…

Timeline

  1. c. 1100–1140Frisian and Schleswig coasts · SchleswigThe cog evolved from coastal fishing and cargo vessels of northern Europe; its flat-bottomed structure and reinforced sides adapted to sandy-bar harbors, laying the foundation for later long-distance trade.
  2. c. 1141–1150Lübeck–Scandinavia routes · LübeckIn the 1140s the cog became the dominant vessel for bulk cargo transport between the North Sea and the Baltic, linking Scandinavian furs, Baltic amber, and German inland markets.
  3. c. 1200–1350Hanse port network · HanseIn the 13th and 14th centuries the Hanse city league standardized shipping regulations, and cog tonnage and construction standards grew increasingly uniform, sustaining a long-term commercial monopoly over the North Sea–Baltic trade.

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