Hannibal’s capture of Saguntum (a Roman-aligned city in eastern Iberia) precipitated the diplomatic rupture that escalated into the Second Punic War.
In 218 BCE, Hannibal marched north from Carthaginian Iberia toward Italy, choosing a daring land route intended to carry the war onto Roman-allied Italian territory.
Hannibal’s army completed its famous Alpine crossing and entered the Po Valley in autumn 218 BCE, enabling a direct campaign on Italian soil.
A cavalry clash at the Ticinus River (late November 218 BCE) ended in a Carthaginian victory and wounded the Roman consul Publius Cornelius Scipio, helping Hannibal consolidate momentum in northern Italy.
At the Trebbia River (December 218 BCE), Hannibal defeated a Roman army under Tiberius Sempronius Longus, strengthening Carthaginian control in northern Italy and encouraging Gallic support.
At Lake Trasimene (June 217 BCE), Hannibal ambushed and destroyed the Roman force led by Gaius Flaminius, a shock that contributed to Rome’s adoption of the avoidance-based Fabian strategy.
After repeated disasters, Rome elevated Quintus Fabius Maximus, whose strategy emphasized limiting Hannibal’s foraging and avoiding pitched battles—trading territory for time and preserving manpower.
On 2 August 216 BCE, Hannibal won a decisive tactical victory at Cannae, encircling and crushing a much larger Roman army; the defeat triggered major political fallout, including defections among some Roman allies.
In March 212 BCE, Hannibal seized much of Tarentum (though its citadel stayed Roman), a major gain aimed at improving Carthaginian position in southern Italy.
Rome’s long siege of Syracuse ended with the city’s capture in 212 BCE, helping secure Sicily for Rome during a period when Hannibal remained active in southern Italy.
In 211 BCE, Roman forces completed the Siege of Capua, reversing one of Hannibal’s most consequential alliance gains after Cannae and tightening Rome’s hold on Campania.
In 209 BCE, Rome recovered Tarentum, further shrinking Hannibal’s Italian coalition and reinforcing the long-term effect of Rome’s attritional strategy.
In early 209 BCE, Publius Cornelius Scipio (later Africanus) took New Carthage (Carthago Nova), a strategic blow that disrupted Carthaginian logistics and command in Iberia.
In spring 208 BCE, Scipio defeated Hasdrubal Barca at Baecula in Iberia; although not destroying Hasdrubal’s army, the campaign contributed to shifting the strategic balance in Spain.
On 23 June 207 BCE, Roman forces destroyed Hasdrubal Barca’s army at the Metaurus River, preventing his junction with Hannibal and marking a major turning point in the Italian campaign.
At Ilipa (206 BCE), Scipio defeated the combined Carthaginian armies in Spain, effectively ending Carthaginian power in Iberia and freeing Rome to shift focus toward Africa.
In 204 BCE, Scipio carried the war to Africa, landing near Utica and beginning a campaign designed to force Carthage to recall Hannibal and negotiate under pressure.
In 203 BCE, Scipio and allies (including Masinissa) defeated Hasdrubal Gisco and Syphax at the Battle of the Great Plains, deepening Carthage’s crisis and strengthening Rome’s negotiating position.
In 202 BCE, Scipio Africanus defeated Hannibal at Zama in North Africa, a decisive battle that compelled Carthage to accept harsh peace terms and ended major Carthaginian resistance.
In 201 BCE, Carthage accepted Rome’s terms—losing overseas territories (notably Spain), surrendering much of its fleet, and paying a long indemnity—formally ending the Second Punic War.
Second Punic War and Hannibal's Italian Campaign (218–201 BCE)
