The Battle of Clontarf was fought on the fields near Dublin, where the High King of Ireland, Brian Boru, faced off against a coalition of Viking forces and their allies. The conflict arose from long-standing tensions between the Irish kingdoms and Viking settlers who had established territories along the Irish coast. Brian sought to end Viking domination and unify the Irish clans under his banner. The battle unfolded on Good Friday, April 23, 1014, and saw intense combat involving various factions. Boru’s forces consisted of allied Irish clans, including men from Leinster and Munster, who fought fiercely against the Norse, consisting of troops from Dublin and other Viking settlements.The battle began with intense skirmishing and developed into a large-scale confrontation. Despite being outnumbered at various points, Boru's strategic tactics were effective, and his forces gained the upper hand. However, during the chaotic fighting, Brian Boru was killed by a group of retreating Viking warriors. His death came just as victory seemed assured, creating a poignant legacy. After the battle, although the Vikings faced heavy losses and were expelled from Ireland, the High King’s passing marked the end of an era of relative peace in Ireland, and the subsequent fragmentation of power contributed to future conflicts among Irish kingdoms.