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.
South West Party South West Party The South West Party (in Afrikaans: "Suidwes Party", in German: "Südwestpartei") was a political party in South West Africa, today Namibia. Initially the party was known as Union Party ("Unie Party" in Afrikaans). The party was founded in Windhoek in September 1924 by F. van der Heever, A.P. Olivier, and Andries de Wet. It took the name SWP in 1926. In 1926, the SWP created a pact with the National Party of South West Africa, against the German League in South West Africa (, DBSW). The party contested four seats in the 1926 legislative elections, winning in