1014 · Munster-led Irish coalition (Brian Boru) vs Norse-Irish alliance (Dublin and Leinster)
On 23 April 1014, the High King Brian Boru's forces defeated a Norse-Irish alliance led by Sigtrygg Silkbeard of Dublin and Máel Mórda of Leinster at Clontarf near Dublin. Brian was killed in the aftermath, making it a costly, near-pyrrhic victory that ended the major Viking threat to Irish kingship.
Redirecting…