The 1938 crossing of the Ebro Curiosity · Ascó, Ribera d'Ebre, Tarragona Image of Ascó, not of the place itself. On the night of 24 to 25 July 1938 the Republican army crossed the Ebro in boats at various points along the Ribera, Ascó among them, opening the Battle of the Ebro: the longest, the most heavily manned and one of the bloodiest of the war. Photo: Viquipèdia (CC BY-SA 4.0) What to see and do in Ascó