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The War AtlasThe · War · Atlas

ORDER OF BATTLE // -202 BCE

Po Valley Raid

Estimated force strength by side, with confidence labels per surviving record.

Forces engaged

2 sides catalogued · combined 56,000 estimated

  • Carthage

    21,000

    Medium-confidence figure

  • Roman Republic

    35,000

    Medium-confidence figure

Battle context

The Battle of Insubria was the decisive engagement of Mago Barca's northern Italian campaign, fought in the land of the Insubres in what is now Lombardy. Mago had landed at Genoa two years earlier with the strategic aim of keeping Roman forces tied down in northern Italy and thereby obstructing Roman plans to invade Carthage's African hinterland. The campaign achieved partial success: Rome was compelled to concentrate substantial forces against Mago, and he succeeded in reigniting unrest among local peoples against Roman dominance. His defeat at Insubria, however, ended that pressure. The broader Carthaginian strategic design collapsed in parallel, as Roman general Publius Cornelius Scipio continued operations in Africa, destroying the Carthaginian armies dispatched against him. The Carthaginian government responded by recalling Mago from Italy to address the African crisis, effectively conceding the northern front. Remnants of Carthaginian forces in Cisalpine Gaul continued to harass Rome for several years after the war's end, but without coordinated strategic direction the threat was marginal. The battle thus closed the last significant Carthaginian military presence in Italy before the conclusion of the Second Punic War.

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Last verified July 2026
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