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The Naval Power of Norse Dublin

The Naval Power of Norse Dublin

By Poul Holm

Clerics, Kings and Vikings: Essays on medieval Ireland in honour of Donnchadh Ó Corráin, edited by Emer Purcell, Paul MacCotter, Julianne Nyhan and John Sheeha (Four Courts Press, 2015)

Introduction: In the ninth to twelfth centuries the Dublin fleet was one of the most formidable war machines in the Irish Sea area. I shall analyse the annalistic and archaeological evidence for Hiberno-Norse naval power in Dublin around 1000 AD. Drawing on comparative information from Scandinavia and England, I shall consider the manpower needed for the fleet, and the financial and monetary implications of the size of the fleet.

By Christmas of 1013 it may have seemed likely that all of Britain and Scotland would fall under Norse supremacy within the next few months. In England, King Svein Forkbeard had all but conquered the country except for London. By Yuletide, according to Njál’s saga, King Sigtryggr Silkenbeard of Dublin feasted at Jarlshof in Orkney with Jarl Sigurd. Their plan seems to have been to use the unrest building in the north-east of Ireland against the newly established high-kingship of Brian Bóruma and to assemble a large army of Norse mercenaries with the seditious men of Leinster against the high-king. King Brian was well aware of the threat from Dublin which he had unsuccessfully besieged in the autumn of 1013.

But whatever high hopes may have been nurtured at the Orkney jarls’s feast in Jarlshof, a few months later the tables had turned. King Svein died in February 1014 and the Danish hold on England seemed to crumble. In April, on Good Friday, Brian Bóruma’s men defeated the men of Leinster, Orkney and Scottish Isles. While the Danes eventually reasserted their power in England, the Dublin Scandinavians gave up any larger plans they may have had for Ireland.

Click here to read this article from Academia.edu

Top Image: The Viking Warship “Sea Stallion” in Dublin, Ireland – photo by William Murphy / Flickr

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