Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Hanseatic Town of Visby' has mentioned 'Denmark' in the following places:
Occurrence Sentence Text Source
In 1361, Gotland was conquered by Valdemar IV of Denmark.
[12] His treatment of Visby, a member of the Hanseatic League, precipitated that League into war with Denmark; however, though Valdemar was forced into various concessions, he retained Visby as a Danish city.
[13] 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.