Brian Boru was probably the most successful warlord king in Irish history. He is known as the last High King of Ireland and is even credited with seeing off the Vikings who had terrorised the Irish for over 200 years.
Brian Boru Harp now in Trinity College Dublin, does not in fact date from the time of Brian, but was made in 1220 for Donnchadh Cairbre O'Brien, King of Thomond, it had thirty metal strings. Throughout its history the harp was in the possession of of many people, some of whom were kings.
Brian Boru, the legendary last great High King of Ireland, located at The Rock of Cashel, also known as Cashel of the Kings and St. Patrick's Rock, is a historic site located at Cashel, County Tipperary, Ireland