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Aggersborg

c. 980 · 10th century

Aggersborg is the largest of the Viking-age ring fortresses of Denmark, on the north shore of the Limfjord in northern Jutland. Built around 980, probably under Harald Bluetooth, it had a circular rampart about 240 metres across, divided by two streets into quarters filled with longhouses. Like the other Trelleborg-type fortresses, it was used only briefly. It is part of a UNESCO World Heritage Site.

Aggersborg
Image: CC BY 2.0 · Wikimedia Commons

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Kingdom of DenmarkFoundation

See also

Cite this entry
APA
The Epoch Institute. (2026). Aggersborg. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/aggersborg
MLA
“Aggersborg.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/aggersborg. Accessed .
Chicago
The Epoch Institute. “Aggersborg.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/aggersborg.
Harvard
The Epoch Institute (2026) ‘Aggersborg’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/aggersborg (Accessed: ).

Last reviewed October 2026Random entry ↻