trustworthy description of the battle itself, this account – Cogadh Gáedhel re Gallaibh (“The War Of The Irish Against The Foreigners”) – was really a rhetorical masterpiece designed to place Ireland’s legendary past in the context of a grand, classical tradition, stretching back to the works of Homer and classical philosophy.

The study argues that this in itself should be seen as evidence that the cultural achievements of Brian Boru’s successors in medieval Ireland were complex, highly sophisticated, and the equal of anywhere else in Europe.

It also means, however, that despite the widespread portrayal of Clontarf as a heroic, quasi-national conflict in which the lives of Brian and others were sacrificed in the Irish cause, the historical truth is unknown. While the advent of the battle itself and itsthat hasn’t stopped some of them from continuing to draw on it to portray the encounter. What this research shows is that its account of the battle was crafted, at least in part, to create a version of events that was the equivalent of Troy. This was more than a literary flourish, it was a work of a superb, sophisticated and learned author.”

Another reason that the story may have endured is a lack of physical evidence for the battle. No archaeological remains have been found, and the precise location, presumed to be somewhere around the modern Dublin suburb of Clontarf, is disputed.

Compared with the very basic information in contemporary chronicles, Cogadh provides by far the most comprehensive account of what happened. It was, however, written about a century