Ailech Frigrenn
Archived: 2 November 2026
Abstract
In 676 CE, the most consequential Irish event assigned by the annals to the year was the destruction of Ailech Frigrenn by Fínsnechtae Fledach, king of Tara. The record is brief, but its implications were not. Ailech stood at the heart of the Cenél nÉogain’s northern power, while Fínsnechtae belonged to the southern Uí Néill dynasty of Síl nÁedo Sláine. His attack was therefore not a local raid but a forceful declaration that his newly won supremacy extended beyond Brega and the midlands. Medieval Irish annal chronology is not mechanically exact: the same cluster is placed under 676 in the

