Brennus (leader of the Senones)

• 1. Introduction

  ›

  Brennus was a Gaulish chieftain of the Senones, and in roughly 387 BC he did something no foreign enemy would manage again for eight centuries: he led an army into Rome and held it. The city fell. The Capitoline Hill held out, saved according to legend by sacred geese, but most of Rome was taken and occupied for months. When Romans tried to buy back their freedom, Brennus threw his sword onto the scales and spoke three words in Latin that have echoed ever since: "Vae victis" - woe to the conquered. Who was this man, where did his tribe come from, and how did a coalition of Gaulish warriors humiliate the city that would later rule the world? And what actually happened when a Roman general rode back out of exile to reclaim the streets?

• 2. The Senones' Long March

  ›

  Around 400 BC, a branch of the Senones tribe crossed the Alps and drove out the Umbri people who had settled on Italy's east coast. They made their home in a stretch of territory running from Ariminum to Ancona, in the region known as the Ager Gallicus. Their capital there was Sena Gallica, the city now called Senigallia. Their ancestral homeland lay in what is today the French departments of Seine-et-Marne, Loiret, and Yonne.

  By 391 BC the Senones were pressing south into Etruria, where they besieged the city of Clusium. The Clusines appealed to Rome for help, and Rome dispatched Quintus Fabius Ambustus and his two brothers to negotiate. Ancient historians Livy and Plutarch record that the Fabii brothers broke their oath of neutrality by joining the fighting at Clusium, and that this violation gave Brennus his stated reason for marching on Rome. Some scholars, though, suspect this entire episode was invented after the fact, both to explain what might otherwise seem an unprovoked assault and to cast Rome as a protector of Italy against northern invaders.

  A rival theory connects Brennus to Dionysius I of Syracuse, who was then trying to seize control of Sicily, including Messana, a city-state with strong ties to Rome. If Brennus kept Rome's army occupied in the north, that would serve Dionysius's ambitions in the south. Whether through provocation, conspiracy, or pure opportunism, the Senones were soon marching toward the capital of the peninsula's rising power.

• 3. The Battle of the Allia

  ›

  At the River Allia, the Senones met the Roman army and routed it. The defeat opened the road to Rome. Brennus led his forces into the city, and the Senones captured most of it.

  One hill refused to fall. The Capitoline held out against every assault, and Roman legend attached an unlikely hero to its defense: Marcus Manlius Capitolinus, who was supposedly roused to action in the dark by the honking of Juno's sacred geese, alerting the garrison before a Gallic night attack could succeed. The geese are remembered; the broader ruin of the city is not always emphasized. While that single hill remained Roman, everything else was taken.

  The Romans still sheltering in the city eventually sued for terms. They agreed to pay one thousand pounds weight of gold for Brennus to withdraw. When the gold was being weighed out, a dispute erupted over the scales. The Gauls had brought heavier-than-standard weights. According to Livy, it was at this moment that Brennus threw his sword onto the scale, adding to the already unfair burden, and spoke the line that would define his legacy: "Vae victis" - woe to the conquered.

• 4. Camillus and the Counter-Strike

  ›

  Marcus Furius Camillus was in exile when Rome fell. One version of events says the standoff over the gold weights dragged on long enough that Camillus had time to raise a new army and march back to the city. He arrived, the story goes, just as the gold was being handed over. His reported challenge to Brennus was the mirror image of the Gaul's famous line: "Non auro, sed ferro, recuperanda est patria" - not by gold, but by iron, is the nation to be recovered.

  Plutarch describes a sequence of engagements that followed. After fighting through Rome's streets, the Gauls were first forced out of the city, then, in a more formal engagement on the road to Gabii, were utterly annihilated eight miles outside of town. Camillus's soldiers hailed him as another Romulus, naming him "Pater Patriae" and calling him the second founder of Rome.

  Livy offers a different thread of explanation for the Gallic withdrawal. He records that the Senones besieging the Capitoline Hill were struck by illness during the occupation, leaving them weakened by the time they were made to retreat. Dysentery and other diseases spread by poor sanitation have, Livy's account implies, been as decisive as swords in the outcomes of sieges. Silius Italicus would later claim that a descendant of Brennus named Crixus led the Boii cavalry under Hannibal, falling at the Battle of Ticinus, connecting Brennus's line to a second, later clash between Gaul and Rome.

• 5. Eight Centuries of Uniqueness

  ›

  The sack by Brennus stands apart from the rest of Rome's long history as a singular event. The city was not taken by a non-Roman army again until the Visigoths arrived in 410 AD, roughly eight hundred years later. That gap tells its own story about how anomalous Brennus's campaign was and how thoroughly Rome rebuilt its defenses, its walls, and its military organization after the Senones withdrew.

  The episode also lodged itself in Roman memory as a wound that could not quite be healed by the legend of Camillus. Romans would speak for generations of the "Gallic terror," and the fear of northern invaders colored Roman foreign policy for a long time after. Whether Brennus himself survived the campaign, returned north, and died in obscurity, or whether the accounts of Camillus's counter-attack contain his end, the sources do not clearly say. What they preserve instead is the sword on the scale and the three words spoken above it.

• 6. A Chieftain's Long Afterlife

  ›

  Geoffrey of Monmouth placed Brennus inside British legend, retelling his story under the name Brennius in the Historia Regum Britanniae, where he became a figure woven into the mythic lineage of Britain. The Jacobean play Fuimus Troes brought his ghost back to the stage, appearing to encourage Britons fighting Julius Caesar, turning a historical Gaul into a champion of resistance against a later Roman general.

  An American song composed for the Fourth of July, 1818 opened with the line "When Brennus led down his fierce conquering hosts," set to the tune of "The Anacreontic Song," the same melody used for the Star-Spangled Banner. The painter Paul Jamin depicted him in the 1893 academic work Brennus and His Share of the Spoils, showing the chieftain surveying the plunder after Rome's looting. In 1963, the actor Gordon Mitchell played Brennus in the film Brennus, Enemy of Rome. Across these centuries of retelling, the sword thrown onto the scale remains the one act that no later version sets aside.