Global InformationAchaidh Leithdeircc information
| Battle of Achadh Leith-dheirg | |||||||
|---|---|---|---|---|---|---|---|
 Battle site 331AD of the Three Collas & the Ulaid. Site of battle disputed between the three locations marked. | |||||||
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| Belligerents | |||||||
| The Ulaid | The Three Collas | ||||||
| Commanders and leaders | |||||||
| King Fearghus Fogha | Colla Meann, Colla Uais, Colla Da Crioch | ||||||
| Battle site disputed between: Aghaderg parish - Barony of Dartree - Barony of Farney. | |||||||
Achaidh Leithdeircc (modern spelling Achadh Leith-dheirg) is an ancient location in Ireland reputed to be the site of a historic battle, or series of battles, around the year 331AD, in which the forces of the Three Collas along with men of Connaught eventually conquered vast tracts of territory from the tribes of the Ulaid.[1][2][3] The prehistoric royal site of Navan Fort was burnt and plundered and ultimately this territory would re-emerge as part of the kingdom or federation of Airgíalla.
The Battle of Achadh Leith-dheirg was fought in the territory of "Fearnmhagh", according to 19th-century Celtic scholar John O'Donovan. The place of the battle has been disputed between Fearn-mhagh, County Monaghan [4][5] and Aghaderg, near Loughbrickland, County Down.[6][7]
- ^ Geoffrey Keating; John O'Mahony (1857). The History of Ireland: From the Earliest Period to the English Invasion. P. M. Haverty. pp. 366–.
- ^ George Hill (1 January 2004). The Fall of Irish Chiefs and Clans. Irish Roots Cafe. pp. 5–. ISBN 978-0-940134-42-3.
- ^ Roderic O'Flaherty (1793). Ogygia, or, A chronological account of Irish events, tr. by J. Hely. pp. 274–.
- ^ "magoo.com: McGoughs, McGeoughs, and McGeoghs in the Civil Parish of Donaghmoyne and the Barony of Farney by Hugh McGough". magoo.com. Retrieved 23 September 2014.
- ^ "Ireland's History in Maps - The Three Collas and the Kingdom of Airghialla (Oriel)". rootsweb.ancestry.com. 25 October 2003. Retrieved 23 September 2014.
- ^ JOHN O'MAHONY (1866). FORAS FEASA AR EIRINN.THE HISTORY OF IRELAND. pp. 726–.
- ^ "Captain Marmaduke Middleton, in the year 1690 in Longhbrickland, Northern Ireland. - Longhbrickland - Family History & Genealogy Message Board - Ancestry.co.uk". boards.ancestry.co.uk. Retrieved 23 September 2014.