- With the arrival of Reformation the conflict intensified and eventually led to military conquest of Hammershus Castle by the troops of king Christian II in 1521.
- Whoever controlled the island resided at Hammershus and collected taxes from all over Bornholm. Consequently, common people had little affection for the castle.
- Hammershus Castle. Hammershus, Northern Europe’s largest castle ruin, stands on a 74-metre rocky plateau in the northwest corner of Bornholm.
- Close to Hammershus is the family-friendly Hammershus Visitor Center, where you can see an exhibition that tells about the history of the castle.
- Hammershus is Northern Europe's largest medieval fortification, situated 74 metres (243 ft) above sea level on Hammeren, the northern tip of the Danish island of...
- Hammershus Besøgscenter, Bornholm Arkitema Architects & Christoffer Harlang, 2018.
- The Hammershus Visitor Center in Bornholm is a paradox: at once a noticeable gateway to the historical site, then a hidden landscape tucked into the hill...
- Arkitema Hammershus 165 Photo Rasmus Hjortshoj web. The project was designed in close cooperation with professor and architect Christoffer Harlang.
- Corfitz Ulfeldt and his wife Leonora Christina were imprisoned in Hammershus 1660–1661. In 1743 Hammershus was abandoned as a stronghold.