Celtiberian Wars
The year 206 BC marked a turning point when Roman forces defeated Carthaginians at the Battle of Ilipa. This victory allowed Rome to seize control of southern Iberian territories previously held by their enemies. Two new provinces emerged from this conquest: Hispania Citerior along the eastern coast and Hispania Ulterior in the south. These regions roughly corresponded to modern autonomous communities like Aragon, Catalonia, Valencia, and Andalusia.
Celtiberian tribes soon found themselves sharing borders with these newly established Roman provinces. Hostilities erupted almost immediately as local groups resisted Roman presence. In 197 BC, twenty thousand Celtiberians attacked a Roman army near Iliturgis. Five years later, ten thousand Celtiberians joined forces with the Turduli against Rome. A consular army led by Cato the Elder was dispatched to quell the unrest.
Despite failing to capture Saguntia, Cato managed to halt hostilities in 195 BC through diplomatic pressure. His successor, Marco Fulvio Nobilior, achieved a decisive victory over a coalition of Celtiberians, Vaccei, and Vettones near Toletum in 193 BC. Another clash occurred in 185 BC where a Hispanic coalition defeated two praetorian armies before being crushed near the Tagus river.
Quintus Fulvius Flaccus intensified operations in 182 BC by conquering Urbicua. The Celtiberians responded by raising an army of thirty-five thousand men. This force represented one of their largest military mobilizations ever recorded. Flaccus received reinforcements including three thousand Roman infantry, six thousand allied infantry, and five hundred cavalry units.
The siege of Aebura in 181 BC became a defining moment when Flaccus engaged the massive Celtiberian army near Talavera de la Reina. Twenty-three thousand Celtiberians died during this engagement while four thousand seven hundred were captured. Roman losses remained minimal at only two hundred soldiers plus eight hundred allies and two thousand four hundred native auxiliaries.
Flaccus then marched across Carpetania to Contrebia, most likely located at Fosos de Bayona in Cuenca. Heavy rains delayed a defending Celtiberian army that arrived too late to save the city. When Romans emerged from the surrendered gates, they caught fleeing defenders off guard. Twelve thousand men perished while five thousand prisoners, four hundred horses, and sixty-two banners fell into Roman hands.
A third campaign began after Flaccus learned his successor Tiberius Sempronius Gracchus was delayed. He ravaged distant parts of Celtiberia where the Lusones tribe resided along the River Iberus. During his return journey to Tarraco, Flaccus faced an ambush at the Manlian Pass. Though he killed seventeen thousand enemies and captured three thousand seven hundred men, he lost four thousand four hundred of his own troops.
Gracchus took command in 179 BC and negotiated treaties with multiple tribes including the powerful Thurru. He imposed the vicensima tax requiring five percent grain harvest contributions. This system proved more efficient than previous methods involving private tax farmers. Gracchus founded colonies like Gracchurris in Alfaro and Iliturgi as mining towns and frontier outposts.
Segeda became the flashpoint when its Belli tribe constructed walls measuring seven kilometers around their settlement near Zaragoza. Appian recorded that Segedan leaders persuaded smaller towns to relocate there while forcing neighboring Titti communities to join them. Rome viewed this fortification as a direct violation of treaties signed by Gracchus years earlier.
The Senate demanded tribute payments and military contingents according to original agreements. Segedans argued their treaty only prohibited new town foundations but allowed existing city fortifications. They claimed exemptions from taxes had been granted previously. Roman officials countered that such privileges existed only during Senate pleasure and could be revoked at any time.
Political tensions escalated as Rome feared Segeda's transformation into a dominant power center. The Senate decided to withdraw all exemptions despite their validity under current terms. This decision triggered immediate preparations for war against what appeared to be an organized rebellion. By 154 BC, the Second Celtiberian War officially began with multiple tribes involved including Arevaci, Belli, and Titti groups.
A long battle unfolded within thick forest terrain where Celts attacked Romans passing through. Six thousand Romans died during this engagement while Carus himself perished alongside six thousand of his men pursuing fugitives disorderly. Roman cavalry guarding baggage trains killed fleeing defenders but suffered heavy casualties themselves. From that day forward, Romans avoided fighting on Vulcan festival days due to this disaster.
Nobilitor later faced Arevaci forces near Numantia which boasted strong natural defenses. Three days after encamping four kilometers away, he received three hundred cavalry and ten elephants from Masinissa king of Numidia. During battle, elephants frightened enemies who had never seen such animals before. When one elephant struck by falling stone made loud noises, others panicked and trampled Roman soldiers.
Numantines launched sorties killing four thousand Romans and three elephants. Nobilitor's subsequent attacks on Axinium failed despite losing many men. Heavy snowstorms and food shortages plagued his winter camp causing additional deaths.
Marcus Claudius Marcellus assumed command in 152 BC bringing eight thousand infantry and five hundred cavalry. He avoided ambushes by moving cautiously and seized Ocilis while granting pardon to its inhabitants. Thirty talents were imposed as fines along with hostage exchanges. His moderate
approach encouraged Nertobriga residents to seek peace terms.
Marcellus demanded one hundred cavalry units which were promised despite ongoing raids against Roman rear guards. When horsemen arrived claiming ignorance about agreements, he chained them and sold their horses. The consul besieged the town until ambassadors requested renewed treaties based on Gracchus' original terms. Rural factions opposed these negotiations but Marcellus sent envoys to Rome seeking leniency.
Lucius Licinius Lucullus took over command in 151 BC after Marcellus ended hostilities prematurely. Despite Senate authorization, Lucullus attacked Vaccaei tribes who had never harmed Rome. Crossing the Tagus river near Cauca, he claimed Carpetani mistreatment justified invasion. Three thousand defenders died forcing their way through gates while only a few escaped slaughter.
Lucullus demanded hostages, one hundred talents silver, and cavalry contingents from conquered towns. He ordered two thousand soldiers to seize cities then permitted entire armies to kill adult males. Only twenty thousand out of twenty thousand managed escape before burning remaining resources. His campaign yielded no gold or silver despite expectations that Hispania abounded with precious metals.
Livy's detailed Ab urbe condita provides extensive coverage of the First Celtiberian War period. Books covering the Second Celtiberian War have been lost leaving historians reliant on fragmentary evidence. Polybius contributed four surviving fragments specifically addressing Celtiberian envoys traveling to Rome during diplomatic
crises.
Appian's accounts of wars in Hispania form our primary source material for understanding these conflicts. His narratives describe specific battles, political maneuvers, and tribal interactions throughout both major rebellions. These texts reveal how Roman officials like Gracchus negotiated treaties while others like Lucullus pursued personal gain through illegal warfare.
The Numantine War followed as the longest resistance against Roman expansion lasting from 143 BC to 133 BC. Viriathus led Lusitanian rebels who incited Celtiberians to join their cause starting in 144 BC. This final phase demonstrated enduring Celtic determination despite decades of Roman military pressure.
Historical records show varying perspectives between Roman authors and actual events occurring across Iberia. Modern scholars analyze these sources alongside archaeological findings to reconstruct accurate timelines of conflict. The legacy includes administrative reforms introduced by Gracchus that influenced future provincial governance structures.
Common questions
When did the Second Celtiberian War officially begin?
The Second Celtiberian War officially began in 154 BC with multiple tribes involved including Arevaci, Belli, and Titti groups. This conflict followed political tensions where Rome decided to withdraw all exemptions from Segeda despite their validity under current terms.
Who led Roman forces during the siege of Aebura in 181 BC?
Quintus Fulvius Flaccus engaged the massive Celtiberian army near Talavera de la Reina during the siege of Aebura in 181 BC. Twenty-three thousand Celtiberians died during this engagement while four thousand seven hundred were captured by Roman forces.
What happened to Marcus Claudius Marcellus when he took command in 152 BC?
Marcus Claudius Marcellus assumed command in 152 BC bringing eight thousand infantry and five hundred cavalry to avoid ambushes by moving cautiously. He seized Ocilis while granting pardon to its inhabitants and imposed thirty talents as fines along with hostage exchanges.
How many Celtiberians died during the battle at Numantia involving elephants?
Numantines launched sorties killing four thousand Romans and three elephants during battles against Nobilitor's forces near Numantia. Heavy snowstorms and food shortages plagued his winter camp causing additional deaths among Roman troops.
When did the Numantine War last from start to finish?
The Numantine War lasted from 143 BC to 133 BC as the longest resistance against Roman expansion. Viriathus led Lusitanian rebels who incited Celtiberians to join their cause starting in 144 BC.
All sources
1 references cited across the entry