Although Brian was killed, at an age of 70, as he prayed in his tent for victory the Vikings were driven back to the Viking ships with many being slaughtered on the coast of Clontarf which would see Viking power in Ireland lost forever.the Viking power was taken away it is well known they helped the Irish progress in terms of technology in building warships, weapons and battle tactics and also built the first towns such as Dublin, Cork and Waterford. Many Vikings still lived on in Ireland and married into Irish families which would help shape many future generations.the invasion of the Vikings and internal disputes the Church in Ireland was reduced and its influence abroad was dramatically smaller than previous years. Rome was quite worried that Ireland was losing touch with Christianity and the country would need reformed and disciplined yet again. Malachy of Armagh, aged 29, would be appointed Bishop of Down and Connor in the North East.line of Vikings in Ireland  
 AD - The Vikings arrive in Ireland performing small raids 
  AD - The Vikings raid Iona Abbey killing all 68 occupants 
  AD - 120 Viking ships arrive in Ireland s northern and eastern coasts 
  AD - Vikings being attacking deeper inland 
  AD - Dubhlinn (Dublin) begins as a Viking settlement 
  AD - The Vikings created the settlement near Cork 
  AD - Viking army defeated in Sligo, Kildare, Cashel and Cork 
  AD - The Vikings created the settlement of Waterford 
  AD - Battle at Dundalk bay between Norwegian Vikings and Danish Vikings takes place 
  AD - Armagh is destroyed by Vikings 
  AD - King of Connaught defeats Norwegian Vikings near Drogheda 
				
				
				
				
			  AD - The Irish attack and drive the Vikings from Dublin into Wales 
  AD - Large Viking Fleets being arriving at Waterford. Further settlements built in Limerick and Wexford 
  AD - The Vikings attack Dublin and regain control from the Irish 
  AD - Viking Massacre at Dunmore Cave in Kilkenny 
  AD - Brian Boru was born 
  AD - Brian Boru becomes King of Munster 
  AD - The Battle of Tara 
  AD - Brian Boru defeats the Vikings 
  AD - Brian Boru becomes High King of Ireland 
  1005AD - MГЎel MГіrda mac Murchada begins to rebel against Brian Boru 
  AD - Battle of Clontarf - Brian Boru & MГЎel MГіrda mac Murchada are killed . 
    3.2 The Normans  
   Although an imp...