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| Queen Thyra inspecting Dannevirke |
Dannevirke was reinforced to prevent a German invasion.
Bulgaria
Conquest of Bulgaria by Sviatoslav I of Kiev, a ruler that was trained by a Varangian named Asmud.
Norway
Olaf I of Norway was born.
Harald Greycloak of Norway died.
Ireland
Ívar returned to Limerick and re-established his supremacy, he killed Beolan Littill and his son, and re-established his rule on the larger islands of the Shannon river.
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| Karlegat, Dannevirke picture from 1913 |
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| Dannevirke model at Karlegat |
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| Map of Dannevirke without the eastern wall |
