San Pedro church is believed to be located over a previous edifice housing the remains of the Córdoban martyrs Januarius, Martial and Faustus, dating to the 4th century AD. After the conquest of the city by king Ferdinand III of Castile (1236), a church dedicated to St. Paul was built here in his program of construction to give a Christian appeal to the previously Muslim city. Construction began in the late 13th century and was completed in the early 14th century.
The edifice's current appearance date mostly to later restorations. Part of the bell tower and two of the medieval gates have survived, a new one having been added by architect Hernán Ruiz II in 1542. In 2006, the church was elevated to the status of minor basilica by Pope Benedict XVI.
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.