The Battle of Sulcoit was fought in the year 968 between the Irish of the Dál gCais, led by Brian Boru, and the Vikings of Limerick, led by Ivar of Limerick. It was a victory for the Dál gCais and marked the end of Norse expansion in Ireland. It was also the first of three battles that highlight the career of Brian Boru. The battle took place during a military campaign led by Ivar of Limerick into Dál gCais territory. After the battle, the Dál gCais seized and burned the Viking stronghold of Limerick.