1504 in IrelandEvents from the year 1504 in Ireland.IncumbentLord: Henry VIIEventsAugust 19 – Battle of Knockdoe: Gearóid Mór FitzGerald, 8th Earl of Kildare, Lord Deputy of Ireland, defeats Ulick Fionn Burke, the Clanricarde.First known record of a Solicitor-General for Ireland.