The Sertorian War was a significant and impactful civil conflict that unfolded in the Roman Republic between the years 80 and 72 BC. This war took place on the Iberian Peninsula, a region referred to as Hispania by the Romans. The conflict was primarily between two rival factions: one faction was led by Quintus Sertorius, while the opposing side was aligned with the Roman Senate, which was restructured following Sulla's earlier civil war. Sertorius, who had a strong following among Roman exiles and native tribes including Celts, Aquitanians, and Iberians, positioned himself as a leader fighting for legitimate governance in the region.
Sertorius had initially been appointed proconsul of Hispania in 83 BC by the Marian faction, but he was soon ousted by an army loyal to Sulla in 81 BC. However, he made a notable return in 80 BC, landing in Hispania Ulterior, where he quickly gathered support and began to campaign against the Sullan governors with great success. He effectively portrayed himself as the rightful leader of Hispania, gaining the trust and allegiance of various native tribes while implementing innovative guerrilla warfare tactics that proved advantageous in battle.
From 80 to 77 BC, Sertorius was able to consolidate his power over both the provinces of Hispania Ulterior and Citerior. During this time, he engaged in numerous pitched battles and cleverly utilized guerrilla warfare strategies. Metellus Pius was dispatched by the Senate against Sertorius, but even after several years of hard-fought battles, he was unable to dislodge Sertorius from his position. In late 77 BC, the Senate sent Pompey to assist Metellus. However, the year 76 BC saw Pompey face a significant defeat against Sertorius at the Battle of Lauron, which hindered the efforts of the Sullan generals to regain control during that period.
The year 75 BC was crucial, as it featured several notable clashes that began to weaken Sertorius' hold on power. During this year, battles were fought where prominent leaders in Sertorius’ camp, such as Marcus Perperna Veiento and Gaius Herennius, faced defeat at the hands of Pompey at the Battle of Valentia. Likewise, Metellus achieved victory against Sertorius’ legate, Hirtuleius, at the Battle of Italica. Sertorius himself engaged Pompey in a battle that resulted in no clear winner at the Battle of Sucro, followed by another indecisive skirmish between the combined forces of Pompey and Metellus at Saguntum.
Ultimately, the war drew to a close with the forces of the Senate prevailing over the Sertorian faction, marking the end of Sertorius' rebellion and solidifying Roman control over Hispania once again. This series of events highlighted the complexity and turmoil within the Roman Republic during this period, showcasing the significant struggles for power that characterized the era of Roman civil wars.