A cog is a type of ship used during the Middle Ages, mostly for trade and transport but also in war. It first appeared in the 10th century, and was widely used from around the 12th century onward. Cog
A replica of the Bremen cog
Cross-section of hull; note the lower mast stepped and braced
The reconstructed Roland von Bremen based on the wreck of a cog from around 1380
Reconstructed excavated cog from 1380 at Deutsches Schiffahrtsmuseum
The Bremen cog is a well-preserved wreck of a cog dated to 1380, found in 1962 in Bremen. Today, it is displayed at the German Maritime Museum in Bremerhaven as one of the main features. Three nearly
Cog (ship)
…and its wood dated from 1339. The discovery by Modderman was however not well known in the literature. The most famous cog in existence today is the Bremen cog. The artifact originates from the 1380s and was discovered in 1962. Prior to this discovery, the existence of cogs was primarily documented in medieval…
The Bremen Cog at German Maritime Museum, 2021