Related Archive: 1471 CE

Oghmagh’s Winter Siege

Oghmagh’s Winter Siege

Archived: 19 October 2026

Abstract

In 1471, Ireland’s competing lordships pursued power through sieges, raids, hostages, alliances and negotiated submissions. Henry O’Neill captured Oghmagh after a winter-long siege, strengthening his son Conn’s position, while northern settlements accompanied continued conflict. In Fermanagh, Thomas Óg Maguire surrendered lordship to his son Edmund, illustrating dynastic succession, patronage and ecclesiastical connections. Connacht saw lineage violence, cattle-raiding and contested castles, while English and Gaelic forces contested frontier regions. Churchmen and learned families remained politically vulnerable yet valued. Annals also recorded unusual weather: damaging spring hail, followed by heat, drought, early crops and abundant nuts, linking security to land and harvest.

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