The SIGIBURG was a Saxon hillfort overlooking the River Ruhr near its
confluence with the River
Lenne . The ruins of the later Hohensyburg
castle now stand on the site, which is in Syburg, a neighbourhood in
the Hörde district of
Dortmund . Archaeological evidence suggests the
site was occupied in the
Neolithic era. The hillfort was raised ca.
700 by Westphalian Saxons. During the
Saxon Wars , it was taken by the
Charlemagne in 772, retaken by the
Saxons (possibly under
Widukind ) in 774, and taken again and refortified by
* ^ Detlef Rothe Rekonstruktion der Sächsischen Wallburg Sigiburg,
Werner Rolevinck and the
Royal Frankish Annals
* ^ Deutsche Biographie
Coordinates : 51°25′12″N 7°29′13″E / 51.42000°N
7.48694°E / 51.42000; 7.48694
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