Irish Republic the Third Dáil, and all future institutions arising from it, as illegal. (See Second Dáil). The anti-Treaty side was then defeated in the Civil War. Most militant opposition to the Free State came to an end on 24 May 1923 when Frank Aiken, chief-of-staff of the IRA issued the order to "dump arms" and Éamon de Valera issued his address to the "Legion of the Rearguard". Éamon de Valera continued as president of the Sinn Féin political party. In March 1926, Éamon de Valera, along with most anti-Treaty politicians, founded a new party called 'Fianna Fáil' and ended their boycott
Éamon de Valera He then, along with Cathal Brugha and Austin Stack, brought pressure to bear on Michael Collins to undertake a journey to the U.S. himself, on the pretext that only he could take up where de Valera had left off. Collins successfully resisted this move, and stayed in Ireland. In the elections of May 1921, all candidates in Southern Ireland were returned unopposed, and Sinn Féin secured some seats in Northern Ireland. Following the Truce of July 1921 that ended the war, de Valera went to see David Lloyd George in London on 14 July. No agreement was reached, and by