Hagenskov Castle lies in the countryside a few kilometres to the east of Assens. It is a grade A listed building protected by law from substantial alteration. It was built in 1775 in a classical style by the design of architect G. E. Rosenborg. There had been a castle on this site for many centuries and remains of the medieval castle’s dungeons. In the 13th century a dispute with the King led to an archbishop being imprisoned here. The castle is visible from a public road, which leads right through the castle, but otherwise there is no public access to the castle.
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Rosenborg Palace was built in the period 1606-34 as Christian IV’s summerhouse just outside the ramparts of Copenhagen. Christian IV was very fond of the palace and often stayed at the castle when he resided in Copenhagen, and it was here that he died in 1648. After his death, the palace passed to his son King Frederik III, who together with his queen, Sophie Amalie, carried out several types of modernisation.
The last king who used the place as a residence was Frederik IV, and around 1720, Rosenborg was abandoned in favor of Frederiksborg Palace.Through the 1700s, considerable art treasures were collected at Rosenborg Castle, among other things items from the estates of deceased royalty and from Christiansborg after the fire there in 1794.
Soon the idea of a museum arose, and that was realised in 1833, which is The Royal Danish Collection’s official year of establishment.