Some old Irish writers say that while they dwelt in Spain, their chiefs, as they gazed wistfully over the waters northwards, one clear winter's night, from the top of a tower at the place now called Corunna, saw Inisfail like a dim white cloud on the sea, in the far distance. However this may be, the eight sons of Milesius, after their father's death--many centuries before the Christian era--set sail with a fleet, and soon arrived on the coast of Ireland. But before they could land, the Dedannans, by their spells, raised a furious tempest, which wrecked the fleet and drowned five of the brothers with most of their crews. The remaining three landed with their men; and having defeated the Dedannans in battle, they took possession of Ireland. [Illustration: A fairy hill: an earthen mound at Highwood, near Lough Arrow, in Co. Sligo. A fairy moat is also figured at page 15, and a cairn at page 97.] When the Dedannans found that they were no longer able to hold the country, the legend tells us that they retired to secret dwellings under old forts, moats, cairns, and beautiful green little hills: and they became fairies, and built themselves glorious palaces in their new underground abodes, all ablaze with light, and glittering with gems and gold. From that period forward, till the time of the Danes, there were no more invasions; and the Milesian kings and people were left to make their own laws and manage the country as they thought best, without any interference from outside. In the History of Ireland from the settlement of the Milesian Colony down to the time of St. Patrick, that is, to the fifth century of the Christian Era, there is a mixture of legend and fact; and it is often hard to disentangle them, so as to tell which is truth and which is fable. As we advance, the truth and certainty increase, and the legend grows less, till we arrive near the time of St. Patrick. From about this period forward, we are able to tell the main history of the country without any mixture of fable. For a long time in the beginning the Irish people were all pagans; and the kind of religion they had will be presently described.