High Quality Content by WIKIPEDIA articles! Scania Market was a major fish market for herring which took place annually in Scania during the Middle Ages. From around 1200, it became one of the most important events for trade around the Baltic Sea and made Scania into a major distribution center for West-European goods bound for eastern Scandinavia. The Scania Market continued to be an important trade center for 250 years and was a cornerstone of the Hanseatic League`s wealth.