Sinn Féin for nine years. (It merged with two other organisations to form Fine Gael in 1933.) Anti-Treaty Sinn Féin members continued to boycott the Dáil. At a special "Ard Fheis" in March 1926, de Valera proposed that elected members be allowed to take their seats in the Dáil if and when the controversial Oath of Allegiance was removed. When his motion was defeated, de Valera resigned from Sinn Féin; on 16 May 1926, he founded his own party, Fianna Fáil, which was dedicated to republicanising the Free State from within its political structures. He took most Sinn Féin TDs with him.
Left-wing nationalism Green Party Irish nationalism has been left wing nationalism since its mainstream inception. Parties such as Sinn Féin and the SDLP are left-wing nationalist parties, but there is a strand of nationalism in Ireland that is towards the centre-right, for example Fianna Fáil are a centre-right republican party, but has only ever contested elections in the Republic of Ireland. Right wing nationalist outlooks, and far right political parties in general, were few and far between in Ireland until relatively recently, with the foundation of the unregistered National Party (Ireland, 2016) and other less relevant groups and parties. In Europe, a