Óengus Olmucaid (or Aengus Olmucada), son of Fíachu Labrainne, was, according to medieval Irish legend and historical tradition, a

High King of Ireland High King of Ireland ( ) was a royal title in Gaelic Ireland held by those who had, or who are claimed to have had, lordship over all of Ireland. The title was held by historical kings and was later sometimes assigned anachronously or to leg ...

. During the reign of his father, he conquered

Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...

. He came to power by killing the incumbent High King, Eochu Mumu, who had killed his father twenty-one years earlier. He fought many battles against the Cruithne, the Fir Bolg, the

Fomorians The Fomorians or Fomori (, Modern ) are a supernatural race in Irish mythology, who are often portrayed as hostile and monstrous beings. Originally they were said to come from under the sea or the earth. Later, they were portrayed as sea raider ...

and other peoples of Ireland, the people of the

Orkney Orkney (), also known as the Orkney Islands, is an archipelago off the north coast of mainland Scotland. The plural name the Orkneys is also sometimes used, but locals now consider it outdated. Part of the Northern Isles along with Shetland, ...

islands, and even the Longobardi. He was killed by Enna Airgdech, son of Eochu Mumu, in the battle of Carman, continuing the feud between the descendants of Erimon and Éber Finn. Geoffrey Keating, who interprets his epithet as meaning "great hogs", dates his reign to 1050–1032 BC, the ''

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' () or the ''Annals of the Four Masters'' () are chronicles of Middle Ages, medieval Irish history. The entries span from the Genesis flood narrative, Deluge, dated as 2,242 Anno Mundi, years after crea ...

'' to 1428–1410 BC.''

'
M3772-3791
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References

Legendary High Kings of Ireland Year of birth unknown Place of birth unknown {{Ireland-royal-stub