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 elected a Fellow of the Royal Society (FRS), a recognition of his lifelong interest in mathematics. He also served as a member of the Parliament of Northern Ireland (for Down from 1921 to 1929 and for South Down from 1933 to 1937), although he held to the republican policy of abstentionism and did not take his seat in Stormont. De Valera was criticised for ending up as co-owner of one of Ireland's most influential group of newspapers, Irish Press Newspapers, funded by numerous small investors who received no dividend for decades. De Valera is alleged by critics to have helped