No 25 Parnell Square, Gaelic League building. This building is of great significance during the period surrounding the War of Independence as it was here on 9 September 1914 that a meeting held by Supreme Council of the Irish Republican Brotherhood (IRB) with selected others agreed to rise up against the British before the Great War, subsequently known as the First World War, would be finished: In attendance were Éamonn Ceannt, Thomas Clarke, James Connolly, Arthur Griffith, John MacBride, Seán Mac Diarmada, Sean McGarry, William "Bill" O'Brien, Seán T. O'Kelly, Padraig Pearse, Joseph Plunkett.