Cumann na Poblachta Cumann na Poblachta Cumann na Poblachta (; "League of the Republic" in English) was an Irish republican political party. The party was founded on 15 March 1922 by Éamon de Valera. It opposed the Anglo-Irish Treaty and was composed of the anti-Treaty wing of Sinn Féin. The party did contest the 1922 Irish general election but, in accordance with the Collins/De Valera Pact, under the Sinn Féin banner like their opponents. The party commonly appended the title "The Republican Party" to its name. This subtitle was later adopted by the Fianna Fáil party at its foundation in 1926. Its headquarters
Éamon de Valera matter. O'Duffy backed down when the National Guard was declared an illegal organisation and the march was banned. Within a few weeks, O'Duffy's followers merged with Cumann na nGaedhael and the Centre Party to form "United Ireland", or Fine Gael, and O'Duffy became its leader. Smaller local marches were scheduled for the following weeks, under different names. Internal dissension set in when the party's TDs distanced themselves from O'Duffy's extreme views, and his movement fell asunder. During the 1930s, de Valera had systematically stripped down the Irish Free State constitution that had been drafted by a committee under the nominal