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 to sleep and on one occasion, having forgotten the password, almost getting himself shot in the dark by his own men. According to one account, de Valera, on being forced to sleep by one subordinate who promised to sit beside him and wake him if he was needed, suddenly woke up, his eyes "wild", screaming, "Set fire to the railway! Set fire to the railway!" Later in the Ballykinlar internment Camp, one de Valera loyalist approached another internee, a medical doctor, recounted the story, and asked for a medical opinion as to de Valera's condition. He also threatened to sue