Katharinenkirche (St. Catherine's Church) was an important mediaeval church, destroyed during the Second World War and preserved as a ruin.
St. Catherine's was the church of a former Dominican convent, in the Diocese of Bamberg, famous for its Medieval Library. It was founded in 1295 by Konrad von Neumarkt and his wife Adelheid, patricians of the Pfinzig family. In the Middle Ages it had an important medieval library. After the Reformation, it became a Lutheran church. The convent was closed in 1596 after the last inhabitant died.
The church was associated with the Meistersingers who met there from 1620 to 1778, and is featured in the opening scene of Richard Wagner's opera Die Meistersinger von Nürnberg.
Although destroyed by air raids in 1945, it was partially restored (1970–71) and is used for events such as open-air concerts.
References: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.