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Founded: 10th centuryCategory: Prehistoric and archaeological sites in Denmark
Historical period: Viking Age (Denmark)
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Aggersborg is the largest of Denmark's former Viking ring castles, and one of the largest archeological sites in Denmark. It consisted of a circular rampart surrounded by a ditch. Four main roads arranged in a cross connected the castle centre with the outer ring. The roads were tunnelled under the outer rampart, leaving the circular structure intact.
The ring castle had an inner diameter of 240 metres. The ditch was located eight metres outside of the rampart, and was approximately 1.3 metres deep. The wall is believed to have been four metres tall. The rampart was constructed of soil and turf, reinforced and clad with oak wood. The rampart formed the basis for a wooden parapet. Smaller streets were located within the four main sections of the fortress.
The modern Aggersborg is a reconstruction created in the 1990s. It is lower than the original fortress.
Dating the structure has proven difficult, since the archaeological site has also been the site of an Iron Age village. The ring castle is believed to have been constructed around 980 during the reign of king Harold Bluetooth and / or Sweyn Forkbeard. Five of the six ring castles in historical Denmark have been dated to this era. The structure was completed within one or two years, and only used for a short period of time; between five and twenty years.
Archaeologists have estimated that the ring castle could hold a 5,000-man garrison, located in 48 longhouses. Twelve longhouses were located in each quadrant, all located on a north-south or west-east axis. No remains of the actual houses exist, but proof of the location of the walls has been found. The individual houses are believed to have been similar to the form seen on the Camnin chest, a house-shaped reliquary, as well as on house-shaped tombstones in England.
The houses had curved roofs and curved sides, similar to the form of a ship; 32.5 metres long and 8.5 metres across. They were divided in a long inner hall, around 19 metres long, with smaller rooms at the end. It is estimated that construction of a single Aggersborg house required 66 large oak trees. The entire structure, housing included, is estimated to have used 5,000 large oaks.
A large number of archaeological finds have been discovered on the site, including many imported luxury items. Examples include beads of mountain crystal and pieces of glass jars. A damaged golden ring has been discovered on the site as well; a replica is displayed in the Aggersborg museum.
No conclusive data yet exists whether Aggersborg was a stronghold controlling trade routes or whether its primary function was as a barracks / training grounds in connection with Sweyn Forkbeard's Viking raids on England.
References:Perched atop its cliff where the Ploučnice meets the Elbe, Děčín Castle is one of the oldest and largest landmarks in northern Bohemia. In the past several hundred years it has served as a point of control for the Bohemian princes, a military fortress, and noble estate.
The forerunner of the Děčín Castle was a wooden fortress built towards the end of the 10th century by the Bohemian princes. The first written record of the province dates from 993 A.D. and of the fortress itself from 1128. In the thirteenth century it was rebuilt in stone as a royal castle that, under unknown circumstances, fell into the hands of the powerful Wartenberg dynasty around 1305.
Numerous later renovations has erased all but fragments of the original medieval semblance of the castle. A significant change to the castle came in the second half of the 16th century when it was held by the Saxon Knights of Bünau, who gradually rebuilt the lower castle into a Renaissance palace with a grand ceremonial hall. The current semblance of the castle is the work of the Thun-Hohensteins, who held the Děčín lands from 1628 to 1932. The Thuns originally came from southern Tyrol and gradually worked their way to the upper echelons of Hapsburg society where they regularly filled important political and church appointments.
The Thuns reworked the castle twice. The first reconstruction, in the Baroque style, was undertaken by Maximilian von Thun, Imperial envoy and diplomat, and was meant to enhance the ceremonial aspects of the property. A central element of the project was a grand access road, the Long Drive, ending in the upper gate of the completely rebuilt entry wing. Along the drive stretched an ornamental garden (today known as the Rose Garden) and a riding yard. Maximilian’s brother Johann Ernst von Thun was responsible for the erection of the Church of the Ascension of the Holy Cross in the town below.
The second and final reconstruction of the castle was undertaken in 1786–1803. The Gothic and Renaissance palaces were torn down, all structures were leveled to the same height and gave them a unified facade. On the riverfront the castle's new dominant feature arose, a slender clock tower. Thus the castle took on the Baroque-Classical style we see today.
In the course of the 19th century, the castle became an important cultural and political center. In the 20th century the castle was used as a military garrison for German and Soviet troops after being handed to the Czechoslovak state in 1932. In 1991 the castle reverted to the ownership of the city of Děčín and the gradual renovation of the devastated structure began.
The eastern wing serves as a branch of the Děčín Regional Museum. The northern wing is occupied by the State District Archives. The staterooms of the western wing welcome individual and group tours, weddings, concerts, exhibits, and other cultural events. The castle courtyard comes to life throughout the year with events ranging from the Historic May Fair to the Wine Festival in September.