Events from the year 1927 in Ireland. Incumbents Governor-General: Tim Healy President of the Executive Council: W. T. Cosgrave (CnaG) Events 6 April – Dan Breen proposes a Bill in the Dáil that Article 17 of the Irish Free State Constitution be removed. President W. T. Cosgrave opposes the removal of the Oath of Allegiance to the British Crown. 13 April – delegates at the annual conference of the Farmers' Party reject proposals to merge with Cumann na nGaedheal. 18 April – Celtic Park in Belfast is opened. It is the first greyhound track in Ireland. 20 May – the Intoxicating Liquor Act requires bars to be closed all day on Christmas Day and Good Friday. 4 June – the results of the General Election are a hung Dáil, with Fianna Fáil entering the Dáil for the first time and removing Cumann na nGaedheal's majority. 20 June – in a radio broadcast, the leader of Fianna Fáil, Éamon de Valera, says that the results of the general election prove that the people of Ireland want to get rid of the Oath of Allegiance. 29 June – a morning Solar eclipse takes place across Ireland. 10 July – Kevin O'Higgins, Vice-President of the Executive Council and Minister for Justice, is assassinated by the anti-Treaty Irish Republican Army in Dublin. 15 July – Constance Markievicz (née Gore-Booth) dies aged 59 in Dublin. She was an officer in the Irish Citizen Army, taking part in the Easter Rising; the first woman elected to the British House of Commons, though she did not take her seat; and the first female Irish cabinet minister. 28 July – Ireland's first automatic telephone exchange is opened in Dublin. 1 August – the Electricity Supply Board (ESB) is appointed as an offshoot of the Shannon Scheme. 3 August – Mary Bailey becomes the first woman to pilot an aeroplane across the Irish Sea. 11 August – following changes to the electoral laws Fianna Fáil Teachtaí Dála arrive at Leinster House for the first time. They take the Oath of Allegiance, dismissing it as an "empty formula". 15 September – a new general election is called due to the hung Dáil; again it is very close, with Cumann na nGaedheal winning 62 seats, Fianna Fáil 57, Labour 13, the Farmers' Party 6, National League Party 2, and the Irish Worker League just one – James Larkin. c. October –