Sinn Féin for nine years. (It merged with two other organisations to form Fine Gael in 1933.) Anti-Treaty Sinn Féin members continued to boycott the Dáil. At a special "Ard Fheis" in March 1926, de Valera proposed that elected members be allowed to take their seats in the Dáil if and when the controversial Oath of Allegiance was removed. When his motion was defeated, de Valera resigned from Sinn Féin; on 16 May 1926, he founded his own party, Fianna Fáil, which was dedicated to republicanising the Free State from within its political structures. He took most Sinn Féin TDs with him.
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