CASUALTY RECORD // -70 BCE
Battle of the Silarius River
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
2 sides catalogued · combined 6,000–11,000 estimated
Roman Republic
1,000
Medium-confidence figure
Slave army
5,000–10,000
Medium-confidence figure
Battle context
The Battle of the Silarius River was the final, decisive action of the Third Servile War, the last of the Roman Servile Wars. The engagement pitted Marcus Licinius Crassus commanding approximately 40,000 Roman Republican troops against Spartacus leading a slave army of around 50,000. Roman casualties stood at roughly 1,000 against an estimated 5,000 to 10,000 on the slave side, a disparity indicating the completeness of the Roman tactical success. By ending the Third Servile War, the battle also closed the era of the Roman Servile Wars altogether. The engagement took place near the mouth of the modern Sele River in southern Campania, placing the final suppression of the rebellion in the same southern Italian region where much of the war had been contested. The outcome confirmed Roman military dominance and extinguished the largest slave uprising in Roman Republican history.
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