The party originated in 1996 as a faction of the National Encounter Party, the Movimiento Participación Amplia, Integración Solidaridad (PAIS).[1] In 2000 Filizzola, who had been the National Encounter Party's President from April 1996 to March 1999, led the faction out of the National Encounter Party to form the Party for a Country of Solidarity.[1]
The party first contested national elections in 2003,[2] when it won two seats in the Chamber of Deputies with 3.3% of the vote. For the 2008 elections it was part of the Patriotic Alliance for Change, which won two seats.