San Donato dates from the 12th century and is in Romanesque style. It became a parish under archbishop Siro il Porcello, and was consecrated on May 1, 1189.
After the bombardment of 1684 it was restored several times, being again consecrated on December 4, 1892. Other restorations in 1946-1951 have kept its Romanesque appearance.
The interior contains a Madonna by the 14th-century painter Nicolò da Voltri; a St Joseph, by Domenico Piola; and a marble relief of the Baptism of Christ, started by Ignazio Peschiera and completed by his pupil Carlo Rubatto. There is also a tryptich (1515) by Joos van Cleve representing The Adoration of the Magi; the person who commissioned the work Stefano Raggi with Guardian Saint ; and a Mary Magdalen. This is topped by a Crucifixion scene with Mary and St John the Evangelist.
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.