conflicts between the German merchants in Visby and the peasants they traded with in the countryside had to be put down by King Magnus III of Sweden in 1288. In 1361, Valdemar Atterdag of Denmark invaded the island. The Victual Brothers occupied the island in 1394 to set up a stronghold as a headquarters of their own in Visby. At last, Gotland became a fiefdom of the Teutonic Knights, awarded to them on the condition that they expel the piratical Victual Brothers from their fortified sanctuary. An invading army of Teutonic Knights conquered the island in 1398, destroying Visby and driving the Victual Brothers from Gotland. In 1409 Grand Master Ulrich von Jungingen of the Teutonic Knights guaranteed peace with the Kalmar Union of Scandinavia by selling the island of Gotland to Queen Margaret of Denmark, Norway and Sweden.
The number of Arab dirhams discovered on the island of Gotland alone is astoundingly high. In the various hoards located around the island, there are more of these silver coins than at any other site in Western Eurasia. The total sum is almost as great as the number that has been unearthed in the entire Muslim world. These coins moved north through trade between Rus merchants and the Abbasid Caliphate, along the Silver-Fur Road, and the money made by Scandinavian merchants would help northern Europe, especially Viking Scandinavia and the Carolingian Empire, as major commercial centers for the next several centuries.
The Berezan' Runestone, discovered in 1905 in Ukraine, was made by a Varangian (Viking) trader named Grani in memory of his business partner Karl. It is assumed that they were from Gotland.
The M�stermyr chest, an important Viking-era artefact, was found in Gotland.
The authority of the landsting was successively eroded after the island was occupied by the Teutonic Order, then sold to Eric of Pomerania and after 1449 ruled by Danish governors. In late medieval times, the ting consisted of twelve
