"[1] It grew out of the union of several parties from Salamanca, Palencia, Burgos, Zamora and Valladolid, such as the Democracia Regionalista (Regionalist Democracy) of Castile and León or the Unidad Palentina (Palentine Unit).
The URCL defines itself as a centrist, "regionalist, democratic, modern and innovative" constitutional political party that is founded on the principles of freedom, justice and solidarity.
Since its founding in 1992, the URCL goes to Villalar de los Comuneros annually on April 23 to celebrate Castile and León Day.
[4][5] URCL was in favor of the Duero Highway,[6] and the Toro de la Vega.
[7] The party opposed the placement of nuclear waste (ATC) in Castile and León,[8] and drafted a shared program of urgent action in certain matters affecting Valladolid and surrounding municipalities, convened meetings convened for influential parties in the Government of Valladolid and Alfoz.