Michael O'Flanagan States in April 1925 to help Sinn Féin contest a number of by-elections. That summer he was suspended from clerical duties and forbidden to say mass because of his nationalist activities and anti-clerical speeches he had made in America. In March 1926, the Sinn Féin ard fheis narrowly defeated de Valera's proposal to enter the Free State Oireachtas if the Oath of Allegiance were removed. O'Flanagan sided with the majority. De Valera left to found Fianna Fáil, which eclipsed Sinn Féin at the June 1927 election. O'Flanagan remained with the reduced Sinn Féin. Bishop Coyne died in July 1926, but
Fianna Fáil and Sinn Féin. The party dominated Irish political life for most of the 20th century, and since its foundation either it or Fine Gael has led every government. Between 1989 and 2011, it led coalition governments with parties of both the left and the right. Fianna Fáil was last in government from 1997 to 2011 under Bertie Ahern and Brian Cowen, with a periodic high of 81 seats in 2002, reduced to 77 in 2007 and then to 20 in 2011, the lowest in the party's history. Having won 44 seats at the 2016 general election, Fianna Fáil is currently