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Hanseatic Cog

Type Object Region Northern Europe Time c. 1150–1450

The cog was the most important merchant ship type in Northern Europe and the Baltic from the Middle Ages to the early 15th century, and the core vess…

Timeline

  1. c. 1150–1250Rhine estuary and Frisian coast · North SeaIn the 12th century the cog took shape along the North Sea coast: flat stern, high sides, a single large square sail, and a stern rudder, replacing traditional Viking longships as the mainstream ocean-going merchant vessel and spreading north along Hanseatic trade routes.
  2. 1300–1400Baltic–North Sea Hanseatic trade routes · North SeaAt the height of the Hanseatic League in the 14th century, cog fleets shuttled between the Baltic and North Sea, carrying Baltic grain, Scandinavian timber, and furs to Western Europe, and returning with cloth, salt, and wine.
  3. 1401–1410Danzig (Gdańsk) and Visby · GdańskBetween 1401 and 1410 cogs remained the mainstay of Hanseatic Baltic trade; port archives of Danzig and Visby show regular fleets calling at Lübeck, while archaeological remains such as 1380s shipwrecks at Bremen harbor confirm the typical cog structure of the period.
  4. c. 1420–1450North Sea and Zeeland coast · North SeaIn the 1420s–1440s larger, multi-masted hulks gradually replaced cogs in Hanseatic and Low Countries ports, and the cog withdrew from mainstream ocean trade.

Sources