The building of the Cigognier, the largest sanctuary on the site (35m x 17m) began in the year 98 AD. Analysis of the wooden stakes beneath the building's foundations allowed this date to be established. The plans, technology and materials used are inspired by Rome. It was a rectangular building with a courtyard framed with porticos. Only the priests had access to the room that contained the worshipped statue. The faithful gathered in the courtyard, where processions also took place. This division of spaces demonstrates the hierarchical organisation of society at that time.
The discovery, in 1939, of a gold bust of Marcus Aurelius in one of the sanctuary's pipes, suggests that this portrait of the emperor was used as an image of worship. This magnificent object, composed of a single gold leaf of over 1.5 kg and dating from the 2nd century, is now preserved at the city's Roman Museum.
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.