Sonderborg Castle

Sonderborg Castle is located inside the city of Sonderborg, Denmark on the island of Als in South Jutland. It houses a museum focusing on the history and tradition of the vicinity. The fortress is positioned inside the center of the town, in a park setting overlooking Als Fjord. The museum is open year-spherical. Sonderborg Castle commenced probable as a fortified tower constructed by using Valdemar the Great in 1158, built on an islet in Als Strait that later was linked to the island of Als.

The fortress turned into built to provide safety against attacks by using the Wends and changed into a part of a bigger device of fortifications. Over the centuries, the citadel has step by step been enlarged and rebuilt. In the years following creation of Valdemar's fortified tower, an crucial conflict developed between the Danish king and the duke of Schloneswig over possession of the island of Als and the town of Sonderborg. Ownership of the fort modified palms regularly. A height in the records of the citadel become the wedding of Valdemar IV of Denmark to Helvig of Schleswig, the sister of Valdemar V, Duke of Schleswig.