Carlist capture of the Samper fort Historical milestone · Samper de Calanda, Bajo Martín, Teruel Image of Samper de Calanda, not of the place itself. Cabrera attacked the fortification of Samper on 13 June 1837 and managed to take it in April 1838 after an artillery bombardment. The episode illustrates the Carlist control over the corridor between the Ebro and the Bajo Aragón. 1837-1838 Photo: eldelinux from Cataluña, España (CC BY 2.0) What to see and do in Samper de Calanda