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.
Bloody Sunday (1926) starting point of a split between a section of Alsatian communists and the French Communist Party. Bloody Sunday furthered cooperation between Alsatian communists with right-wing sectors sharing common autonomist goals, which would eventually lead to the expulsion of a sector of Alsatian communists from the French Communist Party in 1929. The expellees founded the Opposition Communist Party of Alsace-Lorraine. Bloody Sunday (1926) Bloody Sunday is a name given to political clashes that occurred in Colmar, Alsace, France on August 22, 1926. On that day the French Communist Party and the Colmar section of the Popular Republican Union (a Catholic organization)