Valdemarsmuren, Medieval fortification in Schleswig-Holstein, Germany
Valdemarsmuren is a fortification wall that extends for several kilometers and was built from brick stone. The structure consists of a solid main wall with a frontal ditch and rests partly on older stone foundations.
The wall was built in the second half of the 12th century and represented an innovation in Scandinavian fortification design. It marked the shift from stone to brick as the main building material for large-scale defensive structures.
The name references King Valdemar the Great, under whose reign this fortification was built as a territorial marker. The structure served as a defining border feature between Danish and Saxon lands.
A restored section about 75 meters long is accessible near the Danevirke Museum and offers a good view of the original construction. The location is easy to reach and allows visitors to examine the structure from both ground and elevated positions.
The ditch before the wall was originally about 15 meters wide and several meters deep, creating additional obstacles for attackers trying to breach the fortification. This water-filled trench was a critical part of the defense strategy and made direct assaults much more difficult.
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