22 June – As George V was crowned King in London a Sinn Féin meeting at the Customs House in Dublin condemned Irish participation in the coronation ceremonies.
17 August – Dublin County Council voted in favour of using Greenwich Mean Time. The councillors heard that Irish time, being 25 minutes behind Greenwich, was a great handicap for trade.
16 December – The Imperial Copyright Act (coming into effect in 1912) confirmed the library of Trinity College Dublin as one of the six in the UK entitled to be given by legal deposit a copy of every British publication.
The first volume, Ave, of novelist George Moore's three-volume autobiographical Hail and Farewell was published in the same year that he left Dublin to settle in London.
Meath were declared Leinster football champions for 20 minutes, but when Kilkenny arrived late for the final, Meath agreed to play the match and were beaten.