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Sønderborg Castle

Established under Valdemar the Great as a defense against the Wends, and the castle where King Christian II spent the first 17 years of his captivity.

The castle was founded before 1200 and was from 1550-70 rebuilt into a four wing Renaissance castle.
 
The museum tells about the history of North Slesvig from the Middle Ages to the present with the main focus on the wars of 1848-50, 1864, 1914-18, the plebiscite and the reunification of North Slesvig with Denmark in 1920.
 
Large culture-historical collections with furniture, textiles, crafts and art from North Slesvig.

Openinghours: See "The Museum on Sønderborg Castle"