The 1837 Carlist fire Historical milestone · Caspe, Bajo Aragón-Caspe, Zaragoza Image of Caspe, not of the place itself. During the First Carlist War the bands took Caspe in 1837 and, before withdrawing, set fire to the town. The official reports counted two hundred and twenty-three houses burned, a blow from which the town took decades to recover. 1837 Photo: Josep Salvany i Blanch (Public domain) What to see and do in Caspe