Events from the year 1400 in Ireland.
Incumbent
Lord: Henry IV
Events
O'Conor dynasty captured the Donamon Castle from House of Burgh. Founding of a Dominican priory in Longford.
Deaths
Alexander de Balscot, Irish clergy Brian Sreamhach Ua Briain, King of Thomond Seoan, King of Breifne O'Reilly
References