Union Progresista (Progressist Union in English) was created in February 2011 as a project of revival of the Chilean left, and with the support of many former PS (Partido Socialista de Chile). The anger came from Partido Rodriguista (PR) where the Progressist Union hinted as a kind of salvation as the New Left eChile.
Among its founders are Camilo Silva (), Camilo Rojas ( ), Joaquín Muñoz ( ), Gabriel Ortiz (Gabriel Ortiz), Cristobal Navarro ( ), José Miguel Pérez (xKodakx), the latter comprises in March.
The party had a paramilitary military unit named .
All of the information about elections can be found in Spanish on this page: