Lebor Gabála Érenn
…Gabála tells of Ireland being taken by six groups of people: the people of Cessair, the people of Partholón, the people of Nemed, the Fir Bolg, the Tuatha Dé Danann, and the Milesians. The first four groups are wiped out or forced to abandon the island; the fifth group represents Ireland's pagan gods, while the…