It was harassed by Klaus Stortebeker, who led the Likedeelers.
Many places belonging to this organization featured buildings known as kontors. This organization suffered a humiliating loss at Helsingborg that caused it to create the Confederation of Cologne. It was harassed by Klaus Stortebeker, who led the Likedeelers. This federation reached its peak after forcing Valdemar IV to sign the Treaty of Stralsund. It was headquartered in the city of Lubeck. For 10 points, name this Northern European trading alliance that dominated the Baltic Sea during the Middle Ages.
Many places belonging to this organization featured buildings known as kontors.
Hanseatic League [or Hansa]