es were at work in Ireland which prepared the way for the introduction of a new order. They were set free by the conversion of the Norsemen to Christianity, and by their final defeat at the battle of Clontarf. The date of the conversion cannot be fixed: it was probably a gradual process. And we do not know from what source the Danes derived their Christianity. The victory of Clontarf was won on Good Friday, 1014.
Now a study of the Annals reveals the fact that in the seventh and eighth centuries there was a goodly, and on the whole an increasing, body of scholars in Ireland. Under the Norse domination, as we might expect, the number was greatly diminished. But already in the tenth century there was a notable increase: in the eleventh century the number was doubled. In the tenth century, moreover, and still more in the eleventh, scholars began to congregate at special centres, which became permanent homes of learning, the most prominent of these schools being at Armagh and Clonmacnoise. And during the s