What they did see, beyond the possibility of mistake or deception, was their religion outraged, their spiritual rulers, not merely no longer at liberty to practise the duties of their sacred ministry, but hunted down and slaughtered or driven to the mountains and the woods. They saw that pagans were actually ruling their holy isle, and changing a paradise of sanctity into a pandemonium of brutal passion, presided over by a superstitious and cruel idolatry. For surely, although the Irish chronicles fail to speak of it, the minstrels and historians being too full of their own misery to think of looking at the pagan rites of their enemies - those enemies worshipped Thor and Odin and Frigga, and as surely did they detest the Church which they were on a fair way to destroy utterly. This it was which gave the Irish the courage of despair. For this cause chiefly did the whole island fly to arms, fall on their foes and bring down on their heads a fearful retribution. This it was, doubtless, which breathed into the new monarch the energy which he displayed on the field of Glas Linni; and when he ordered the barbarian, now a prisoner in his hands, to be drowned, it was principally as a sign that he detested in him the blasphemer and the persecutor of God's church.
Thus did the first national misfortunes of this Celtic people become the means of enkindling in their hearts a greater love for their religion, and a greater zeal for its preservation in their midst.
Ireland was again free; and, although we have no details concerning the short period of prosperity which followed the overthrow of the tyranny we have touched upon, we have small doubt that the first object of the care of those who, under God, had worked their own deliverance, was to repair the ruins of the desecrated sanctuaries and restore to religion the honor of which it had been stripped.
The Danes themselves came to see that they had acted rashly in striving to deprive the Irish of a religion which was so dear to their hearts; they resolved on a change of policy, as they were still bent on taking possession of the island, which Mr. Worsaae has told us they considered the best country in existence.
They resolved, therefore, to act with more prudence, and to make use of trade and the material blessings which it confers, in order to entice the Irish to their destruction, by allowing the Northmen to carry on business transactions with them and so gradually to dwell among them again. Father Keating tells the story in his quaint and graphic style:
"The plan adopted by them on this occasion was to equip three captains, sprung from the noblest blood of Norway, and to send them with a fleet to Ireland, for the object of obtaining some station for purpose of trade. And with them they accordingly embarked many tempting wares, and many valuable jewels — with the design of presenting them to the men of Ireland, in the hope of thus securing their friendship; for they believed that they might thus succeed in surreptitiously fixing a grasp upon the Irish soil, and might be enabled to oppress the Irish people again . . . . The three captains, therefore, coming from the ports of Norway, landed in Ireland with their followers, as if for the purpose of demanding peace, and under the pretext of establishing a trade; and there, with the consent of the Irish, who were given to peace, they took possession of some sea-board places, and built three cities thereon, to wit: Waterford, Dublin, and Limerick."
We see, then, the Scandinavians abandoning their first project of conquering the North to fall on the South and confining themselves to a small number of fortified sea-ports.
The first result of this policy was a firmer hold than ever on Dublin, once already occupied by them in 836. "Amlaf, or Olaf, or Olaus, came from Norway to Ireland in 851, so that all the foreign tribes in the island submitted to him, and they extracted rent from the Gaels." - (Four Masters.)
From that time to the twelfth century Dublin became the chief stronghold of the Scandinavians, and no fewer than thirty-five Ostmen, or Danish kings, governed it. They made it an important emporium, and such it continued even after the Scandinavian invasion had ceased. McFirbis says that in his time - 1650 - most of the merchants of Dublin were the descendants of the Norwegian Irish king, Olaf Kwaran; and, to give a stronger impulse to commerce, they were the first to coin money in the country.
The new Scandinavian policy carried out by Amlaf, who tried to establish in Dublin the seat of a kingdom which was to extend over the whole island, resulted therefore only in the establishment of five or six petty principalities, wherein the Northmen, for some time masters, were gradually reduced to a secondary position, and finally confined themselves to the operations of commerce.