During the Battle of Tara, the Norse Vikings were led by the King of which area of Ireland?
Amlaíb Cuarán:  927981; Old Norse: Óláfr Sigtryggsson), commonly called Amlaíb Cuarán, in Old Norse: Óláfr kváran, was a 10th-century Norse-Gael who was King of Northumbria and Dublin.
i don't know