The
Mythological Cycle is a conventional division within
Irish mythology, concerning a set of tales about the godlike peoples said to have arrived in five migratory invasions into Ireland and principally recounting the doings of the
Tuatha Dé Danann. It is one of the four major cycles of early Irish literary tradition, the others being the
Ulster Cycle, the
Fenian Cycle and the
Cycles of the Kings.