may 23, 215 BC - Battle of Dertosa, Spain

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Hasdrubal needed to raise an army to reinforce Hannibal

In this battle, he used his cavalry superiority to clear the field and to envelop the enemy on both sides with his infantry, a tactic that had been very successfully employed in Italy.[49] However, the Romans broke through the thinned-out line in the centre and defeated both wings separately, inflicting severe losses, but not without taking heavy losses themselves.[49] Hasdrubal now had no chance of reinforcing Hannibal in Italy.[49][21]

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