Fianna Fáil Fianna Fáil Fianna Fáil (, meaning 'Soldiers of Destiny' or 'Warriors of Fál'), officially Fianna Fáil – The Republican Party (), is a conservative political party in Ireland. The party was founded as an Irish republican party on 23 March 1926 by Éamon de Valera and his supporters after they split from Sinn Féin on the issue of abstentionism, in the aftermath of the Irish Civil War. Fianna Fáil has since 1927 been one of Ireland's two major parties, along with Fine Gael; both are seen as being centre-right parties, and as being to the right of the Labour Party
Éamon de Valera the work of Michael Collins and based on three sources: British oaths in the dominions, the oath of the Irish Republican Brotherhood and a draft oath prepared by de Valera in his proposed Treaty alternative, "Document No. 2"). De Valera began a legal case to challenge the requirement that members of his party take the Oath, but the assassination of the Vice-President of the Executive Council (deputy prime minister) Kevin O'Higgins on 10 July 1927 led the Executive Council under W. T. Cosgrave to introduce a Bill on 20 July requiring all Dáil candidates to promise on oath that if