Bornholm Bornholm Bornholm (; ) is a Danish island in the Baltic Sea, to the east of the rest of Denmark, south of Sweden, northeast of Germany and north of the westernmost part of Poland. Occupying an area of , the island had a total population on 1 January 2018 of 39,632. Among Bornholm's chief industrial activities are dairy farming and arts-and-crafts industries such as glass production and pottery using locally worked clay. Tourism is also important during the summer months. The island is home to an especially large number of Denmark's round churches. The island is known as "solskinsøen" ("Sunshine
Battle of Bornholm (1456) Battle of Bornholm (1456) The Battle of Bornholm was a naval battle which took place near the Danish island of Bornholm, between privateers from the city of Gdańsk (Danzig) and a transport convoy of Danish and Livonian ships which were attempting to bring supplies and reinforcements to the Teutonic Knights in Prussia, during the Thirteen Years' War (1454–66) between the Kingdom of Poland and the Prussian Confederation on one hand, and the Monastic State of the Teutonic Knights on the other. The battle took place on the night of 14 August 1457. The Gdańsk flotilla, composed of only 3 ships