History
The party was established in 1905 by Minister of Justice José Maria de Alpoim as a left-wing breakaway from the Progressive Party (Portugal), Progressive Party.Dieter Nohlen & Philip Stöver (2010) ''Elections in Europe: A data handbook'', p1548 It won nine seats in the April 1906 Portuguese legislative election, April 1906 parliamentary elections, but was reduced to four seats in the August 1906 Portuguese legislative election, August 1906 elections. The 1908 Portuguese legislative election, 1908 elections saw the party win seven seats. The party was dissolved in 1910.References
{{Defunct political parties in Portugal Defunct political parties in Portugal Political parties established in 1905 Political parties disestablished in 1910 1905 establishments in Portugal 1910 disestablishments in Portugal Liberal parties in Portugal