Eamon de Valera is returned as Taoiseach
May 30, 1944
Micheal William Balfe, one of Ireland’s greatest composers, gives his first public performance, aged nine
May 30, 1817
Claimants to the Scottish throne met King Edward I of England at Norham on Tweed to resolve succession.
May 30, 1291
Reginald II, King of Isle of Mann, assassinated.
May 30, 1249