They were active in the War of Independence and took the anti-Treaty side in the Civil War. Cumann an mBan were declared an illegal organisation by the government of the Irish Free State in 1923. This was reversed when Fianna Fáil came to power in 1932. During the splits in the Republican movement of the later part of the 20th century, Fianna Éireann and Cumann na mBan supported Provisional Sinn Féin in 1969 and Republican Sinn Féin in 1986.
