Festivities of Codo Activity · Codo, Campo de Belchite, Zaragoza Patron saint festivities of Codo, the village where on 24 August 1937 the Tercio de Montserrat held back the Republican advance towards Belchite, losing more than one hundred and forty of its roughly one hundred and eighty men; the municipal area is now included in the comarca's Civil War routes. Photo: Josep Lluís (CC BY-SA 4.0) What to see and do in Codo