Ailill Caisfhiaclach ("having curved tusks, crooked teeth"?), son of Connla Cáem, was a legendary High King of Ireland of the 5th century BC. The office of High King of Ireland (Irish: Ard Rí Érenn) was in origin a pseudohistorial construct of the eighth century that placed a king of all Ireland atop the fragmented pyramid of kingship that actually existed at that time. ... (6th century BC - 5th century BC - 4th century BC - other centuries) (2nd millennium BC - 1st millennium BC - 1st millennium AD) Events Demotic becomes the dominant script of ancient Egypt Persians invade Greece twice (Persian Wars) Battle of Marathon (490) Battle of Salamis (480) Athenian empire rises and falls Peloponnesian War...

The High Kingship of Ireland was a pseudohistorical construct of the eighth century AD, a projection into the distant past of a political entity that did not become reality until the ninth century. ... Adamair or Adammair, son of Fer Corb, was a legendary High King of Ireland of the 5th century BC. He was known by the epithet Foltchaín, beautiful hair, as was his reputed lover, the deer goddess Flidais. ...