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 is buried in Dublin's Glasnevin Cemetery with his wife and children. In January 2017, his grave was vandalised, with the man responsible pleading guilty to criminal damage and receiving a suspended prison sentence De Valera's political creed evolved from militant republicanism to social and cultural conservatism. Ireland's dominant political personality for many decades, de Valera received numerous honours. He was elected Chancellor of the National University of Ireland in 1921, holding the post until his death. Pope John XXIII bestowed on him the Order of Christ. He received honorary degrees from universities in Ireland and abroad. In 1968, he was