The ruins of the castle of Saint-Aubin-of-Cormier point out a significant event of Breton history. Affected by the catch of Saint-Aubin, François II, Duke of Brittany, an army of 11000 men constitutes to take again the places. During the famous battle of July 28, 1488, the French troops embank their adversaries. This event announces the end of independence of Brittany which will concretize itself with the marriage Anne of Brittany and Charles VIII. Having lost its defensive interest, the castle was going to be destroyed, except the face is keep, turned towards France winner. The fortress included a whole of 10 turns including one formidable keep and formed a quadrilateral of 100 meters out of 30. There remains only the northern half of the keep and the bases of the others turns. One also finds some scraps of the main building and the wall of the vault. The external enclosure, integrated now in constructions of the borough, keeps the trace of three grosses towers in half-moon and the southern rampart which dominates the pond.
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.