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.
Groen (political party) Green parties, especially the German Alliance '90/The Greens, which has also been in government, although more successfully. Groen (political party) Groen (English: Green; , ), founded as Agalev (see name-section below), is a green political party in Belgium. Groen is often the smallest Flemish party represented in the federal, regional or European parliament. Its French-speaking equivalent is Ecolo; the two parties maintain close relations with each other. Many of the founders of political party Agalev came from or were inspired by the social movement Agalev. This movement was founded by the Jesuit Luc Versteylen, who had founded the environmental movement