Wittigkofen Castle was originally built as a residence for a farm and was awarded to the followers of the Zähringians. In the mid-13th century Heinricus Wittenchoven managed the farm. He was a member of the council and the first documented feudal superior. The property was also home to the monastery of Interlaken. The castle had several owners and belonged to different families. Beat Ludwig von Mülinen (1521-1597) purchased the castle in 1570 and gave half to Hans Rudolf Steiger (1549-1577) six years later.
In June 2011 a decision was made by the director Jürg StüssiLauterburg of the Library am Guisanplatz (BiG), a federal military library in Bern, to purchase a historical collection of items from the Von Wurstemberger family. The collection of items had been collected and exhibited in the Wittigkofen Castle. The collection included a large library, maps, and a portrait of Johann Ludwig Von Wurstemberger, a cabinet, and drawings. The Von Wurstemberger library was located in the French room of the castle and contained many books that reflected the impact that this family had on the Confederation's military history. Before being packed for transfer, every book was thoroughly cleaned with a special vacuum to avoid bringing insects to their new location. The books were packed into 50 removal boxes for transfer to the Library am Guisanplatz, with the help of active military personnel, and moved to their new location in September 2011.
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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.