Related Archive: Dún Lethglaise

Glún Iairn’s Fatal Cup

Glún Iairn’s Fatal Cup

Archived: 26 October 2026

Abstract

The annals for 989 preserve a year of abrupt reversals. Ireland was not a single kingdom, nor was its political life divided neatly between ‘Irish’ and ‘Viking’. Kingship was exercised through shifting local alliances, hostage-taking, tribute, raiding and control of major churches. The most striking entry is the death of Glún Iairn, king of the foreigners of Dublin, killed while drunk by his own slave. Yet 989 mattered just as much in the north: Dún Lethglaise, modern Downpatrick, was plundered and burned; a ruler of the Isles was killed in Dál Riata; and the successor of St Patrick at Armagh

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Ragnall’s Son at Dún Lethglaise

Ragnall’s Son at Dún Lethglaise

Archived: 27 October 2026

Abstract

In 942, Dublin Norse forces under Blacair son of Gothfrith ravaged the wealthy ecclesiastical centres of Clonmacnoise and Kildare, demonstrating their reach beyond the coast amid fractured Irish and Scandinavian politics. In Ulaid, a son of Ragnall plundered Dún Lethglaise, but Matudán, king of Ulaid, swiftly killed him after pursuing the raiders from their island refuge. The year also brought the death of Faelán, long-serving king of Leinster, and killings linked to Congalach of Brega’s rising power. Deaths of senior churchmen at Clonmacnoise and Clonard underscored churches’ political and economic importance, resilience, and vulnerability to warfare across the island alike.

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