Fianna Fáil the largest Opposition party in both houses (Dáil Éireann and Seanad Éireann) of the Oireachtas, with party leader Micheál Martin entering into a confidence and supply arrangement with a Fine Gael-led minority government at the beginning of the 32nd Dáil. Fianna Fáil is a member of the Alliance of Liberals and Democrats for Europe and of Liberal International. The party is also organised in Northern Ireland and intends to run in local government elections there for the first time in 2019. Fianna Fáil was founded by Éamon de Valera, a former leader of Sinn Féin. He and a number of
Sinn Féin Sinn Féin Sinn Féin ( ; ; is a left-wing Irish republican political party active in both the Republic of Ireland and Northern Ireland. The original Sinn Féin organisation was founded in 1905 by Arthur Griffith. It took its current form in 1970 after a split within the party (with the other side becoming the Workers' Party of Ireland) and has historically been associated with the Provisional Irish Republican Army (IRA). Mary Lou McDonald has been party president since February 2018. Sinn Féin is the largest nationalist party in the Northern Ireland Assembly, and the joint-largest overall (alongside the Democratic