The fall of Dublin to Anglo-Norman forces in 1170 was a crucial milestone in the history of Ireland and marked the beginning of a new era of foreign dominance. Richard de Clare, more famously known as Strongbow, played a leading role in this event after securing a marriage alliance with Aoife, the daughter of the Irish king Dermot MacMurrough. Following Dermot's exile, Strongbow was invited to assist in restoring the king's power. The Anglo-Norman forces took advantage of internal strife within Ireland, and tensions facilitated the invasion.Strongbow’s archers and knights faced resistance from the Irish defenders but overcame them using advanced military tactics and equipment that outmatched the local forces. The strategic importance of Dublin as a trade hub and military stronghold made it a prime target. Once captured, the city served as a base for future Norman incursions into Ireland, greatly altering the political landscape of the region. The new ruling structure led to colonial and feudal developments that established Anglo-Norman control over large parts of Ireland for centuries.As a result of this incursion, Dublin began to transform with the establishment of Norman law, customs, and administration. Strongbow's victories also led to greater Anglo-Norman settlements throughout Ireland, setting off conflicts with the Gaelic Irish that would persist long into the future, shaping the social and political framework of Ireland.