Around the third quarter of the 12th century Freiherr von Weissenburg donated land along the Simmen river to the Augustinian order for a monastery. The monastery was first mentioned in 1228 along with the surrounding village. In 1368 the Freiherr von Brandis inherited the Weissenburg lands including patronage of the monastery. It continued to expand during the 13th and 14th centuries as nobles donated lands and the monastery bought estates.
The monastery church of St. Mary became the burial church of the Freiherrs. In 1439 the city of Bern acquired the Weissenburg lands including the monastery and the village. In 1486 they forced the monastery to accept the authority of the college of canons of the Cathedral of Bern. In 1528, Bern adopted the new faith of the Protestant Reformation and secularized the monastery. The monastery church became the parish church of newly created parish.
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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.