Viking Ring Fortress Discovered in Denmark...
Archeologoists on the island of Zealand in Denmark... ...ontend the fortresses were constructed by his son Sweyn Forkbeard , the first Danish King of England, as a military... ...ks from which to launch his invasions of England. Sweyn Forkbeard seized London in 1013 and was declared King of En...
https://www.neatorama.com/2014/09/07/Viking-Ring-Fortress-Discovered-in-Denmark/
