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 the country with British troops unless action was taken. When fighting broke out in Dublin between the Four Courts garrison and the new Free State Army, republicans backed the IRA men in the Four Courts and civil war broke out. De Valera, though he held no military position, backed the anti-Treaty IRA or "Irregulars" and said that he was re-enlisting in the IRA as an ordinary volunteer. On 8 September 1922, he met in secret with Richard Mulcahy in Dublin, to try to halt the fighting. However, according to de Valera, they "could not find a basis" for agreement. Though