[1] The party was founded in April 2006, as a further left alternative to the Broad Front.

[2][failed verification] It is supported by the Revolutionary Communist Party of Uruguay, the Humanist Party of Uruguay and other left-wing groups, including several former local organisation of the Broad Left.

[3] The party's best known members include former Senator Helios Sarthou, and political activist Raúl Rodríguez.

The group stood Rodriguez in the 2009 presidential election.

He took 0.67% of the vote, while the party took 0.66% in the parliamentary elections and did not win any seats.