 The remains we're found in the area of the Güedos (polished stone), as well as those found in "El Prado" (to the north), "Pozo Felipe" (to the east), and the Neolithic ax found in "Cabeza del Encinar" (to the south) .During the First Carlist War , the Carlist expedition under Basilio García , who had left Navarra on December 29, 1837, ravaging the lands of both Castillas, was presented on February 25, 1838 in Calzada in front of some 5,000 men.The liberal defenders, both from Calzada and from neighboring towns that had sought refuge here, were locked in the Santa Maria Nuestra Señora del Valle Parish Church, outside the town walls with their women and children.