The Battle of Helsingborg was fought in 1362 between Danish and Hanseatic fleets. The fleets met on Øresund near Helsingborg

Helsingborg

Helsingborg is a city and the seat of Helsingborg Municipality, Skåne County, Sweden with 97,122 inhabitants in 2010. Helsingborg is the centre of an area in the Øresund region of about 320,000 inhabitants in north-west Scania, and is Sweden's closest point to Denmark, with the Danish city...

, where the sound is most narrow. The Danish were led by Valdemar Atterdag

Valdemar IV of Denmark

Valdemar IV of Denmark or Waldemar ; , was King of Denmark from 1340 to 1375.-Ascension to the throne:...

. The Danish were victorious. The Hanseatic Cities lost twelve cogs

Cog (ship)

A cog is a type of ship that first appeared in the 10th century, and was widely used from around the 12th century on. Cogs were generally built of oak, which was an abundant timber in the Baltic region of Prussia. This vessel was fitted with a single mast and a square-rigged single sail...

 since their admiral had made the mistake, that he let too many men go to fight the Danes ashore and therefore there were too few left to defend his fleet on the sound. Wittenborg was tried and decapitated on his return to Lübeck because of his poor performance in this war. This war was brought to an end with a well-negotiated peace treaty favourable agreed on 22 November 1365 in Vordingborg

Vordingborg

Vordingborg is a municipality in Region Sjælland on the southeast coast of the island of Zealand in south Denmark. The municipality includes the island of Masnedø, and covers an area of 621 km². It has a total population of 46,600...

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