The Torre Monreal is a tower, traditionally considered of Arab origin, located on a hill to the southwest of the city of Tudela.
It probably dates from when Amrùs walled Tudela in the year 802. However, there is no documents before the thirteenth century. In 1343 the ramparts and battlements of the tower were repaired, as they were demolished in the severe storms and floods that occurred in previous years. After the Castilian conquest of the Kingdom of Navarre at the beginning of the 16th century and the dismantling of the walls and defenses of Tudela (especially from 1521), the Torre Monreal lost its defensive character, being enabled for other purposes.
The Torre Monreal has been subsequently rebuilt on various occasions. It served as a fortress for the French after the invasion of Spain and Navarre, and was demolished by Espoz and Mina in 1813 , at the end of the War of Independence. It was rebuilt in 1883 , for the defense of the city during the Carlist Wars. The current octagonal brick construction is, therefore, from the Carlist period.
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.