In 219 bc, when Hannibal Barca first led his Carthaginian army against the Iberian city of Saguntum, a Roman ally located south of the Ebro River, in the opening campaign of
the Second Punic War, Publius Cornelius Scipio was 17 or 18 years old. His father, also named Publius Cornelius Scipio, was elected a Roman consul in 218 bc, and the young Scipio accompanied him in a confrontation with Hannibal's invasion force near the Ticinus River in Northern Italy shortly after the Carthaginian commander had completed his famous crossing of the Alps.
In the melee that ensued, the elder Scipio became surrounded and was seriously wounded. Perceiving his father's danger, Scipio the younger urged his troops into the thick of the fighting. When they hung back, the boy rode into the enemy cavalry alone, compelling his men to follow. That attack broke the Carthaginian formation, and the elder Scipio later saluted his son before the army as his rescuer.