The discovery of a Viking-age fortress in Denmark has shed new light on a network of military sites built by the 10th-century Danish king Harald Bluetooth, according to archaeologists.
Viking Fort Reveals Secrets of Danish King's Elaborate Military Network
Live Science - 29 Sep 2017 17:07
The discovery of a Viking-age fortress in Denmark has shed new light on a network of military sites built by the 10th-century Danish king Harald Bluetooth, according to archaeologists.
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