Hannibal Barca was one of the greatest generals of the ancient world and commanded Carthage during the famous Second Punic War against Rome, a conflict that lasted from 218 to 201 BC and nearly brought the powerful Roman Republic to collapse.

Hannibal is most famous for leading an army, including war elephants, across the Alps into Italy, a daring military maneuver that stunned the Romans and remains one of the most legendary marches in military history.

According to ancient historians, Hannibal swore a lifelong oath of hatred toward Rome when he was just a child, promising his father that he would “never be a friend of Rome.”

Hannibal was the son of the Carthaginian general Hamilcar Barca, who began expanding Carthage’s power in Spain after the earlier defeat of Carthage in the First Punic War.

Hannibal grew up accompanying his father on military campaigns in Spain, which gave him real battlefield experience from a very young age.

The name “Hannibal” comes from the Punic language and roughly means “the grace of Baal,” referring to the ancient Canaanite god Baal worshiped by the Carthaginians.

When Hannibal took command of the Carthaginian army at age 26, the soldiers reportedly immediately supported him because they believed he looked and acted exactly like his famous father.

Hannibal sparked the Second Punic War by attacking the Spanish city of Saguntum, which was allied with Rome even though it lay within Carthage’s sphere of influence.

When Hannibal marched toward Italy in 218 BC, he began with roughly 40,000 infantry, 8,000 cavalry, and dozens of war elephants.

The exact route Hannibal took through the Alps is still debated by historians and archaeologists more than 2,000 years later. Harsh weather, avalanches, and hostile mountain tribes killed many of Hannibal’s soldiers during the Alpine crossing, and only a fraction of his army reached Italy.

Hannibal’s first victory on Italian soil came at the Battle of Ticinus in 218 BC, where his cavalry defeated Roman forces.

At the Battle of Trebia, Hannibal lured Roman troops across a freezing river and ambushed them with hidden soldiers, delivering another crushing defeat.

Hannibal famously used an ambush at the Battle of Lake Trasimene to destroy an entire Roman army, killing the Roman consul and thousands of soldiers.

The Romans feared Hannibal so much that they developed the “Fabian strategy,” named after Quintus Fabius Maximus Verrucosus, which avoided direct battle and instead tried to wear him down over time.

Hannibal’s greatest victory came at the Battle of Cannae in 216 BC, where his army surrounded and annihilated a much larger Roman force in one of the most famous tactical victories ever. At Cannae, historians estimate that around 50,000 to 70,000 Roman soldiers were killed in a single day, making it one of the bloodiest battles of ancient history.

Hannibal’s brilliant maneuver at Cannae, called a “double envelopment,” is still studied in military academies today.

After Cannae, many cities in southern Italy defected from Rome and joined Hannibal’s side.

Despite winning many battles, Hannibal never attacked Rome directly because he lacked the siege equipment needed to capture such a heavily fortified city.

Hannibal spent about 15 years campaigning in Italy, maintaining an army far from his home territory in what is now Tunisia.

Hannibal commanded a diverse army that included North Africans, Iberians, Gauls, and Numidians, yet historians note there were almost no mutinies among his troops.

Roman historians often described Hannibal as both brilliant and terrifying, sometimes accusing him of cruelty but still admiring his military skill.

The Roman phrase “Hannibal ad portas,” meaning “Hannibal is at the gates,” became a common expression for extreme danger.

Hannibal was finally defeated by the Roman general Scipio Africanus at the decisive Battle of Zama in 202 BC. The Battle of Zama ended the Second Punic War and forced Carthage to give up most of its power and territory.

After the war, Hannibal became a political leader in Carthage and was elected as sufet, a chief magistrate of the state.

Hannibal reformed Carthage’s finances and fought corruption among the wealthy ruling elite. His reforms angered powerful aristocrats in Carthage, who helped push him into exile.

During exile, Hannibal served as a military adviser to the Seleucid king Antiochus III the Great.

Hannibal later commanded a fleet during the Roman-Seleucid War, continuing his long struggle against Rome.

In one unusual naval battle, Hannibal reportedly ordered jars filled with venomous snakes thrown onto enemy ships to cause chaos.

Rome continued to pursue Hannibal even in exile because they feared his influence and military genius.

Hannibal eventually took refuge in the Kingdom of Bithynia (now part of modern day Turkey) under King Prusias I.

When Roman agents surrounded the place where he was staying, Hannibal chose to poison himself rather than be captured. Hannibal died around 183 BC at about age 64 or 65, ending the life of Rome’s most famous enemy.

Historians often rank Hannibal alongside legendary commanders such as Alexander the Great, Julius Caesar, and Pyrrhus of Epirus as one of the greatest military leaders in history.