History of Sinn Féin 218. De Valera resigned and formed a new party, Fianna Fáil, on a platform of republicanising the Free State from within. He took the great majority of Sinn Féin support with him along with most of Sinn Féin's financial support from America. The remains of Sinn Féin fielded only 15 candidates and won only six seats in the June election, sinking to a level support not seen since before 1916. In the August 1927 by-election following the death of Constance Markievicz, SF's Cathal Ó Murchadha gained just 2.5% of the vote. Shortly after Vice-President and de facto leader MacSwiney announced
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