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BATTLE // -101 BCE

Battle of Aquae Sextiae

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Overview

The Battle of Aquae Sextiae (Aix-en-Provence) took place in 102 BC. After a series of Roman defeats at the Battle of Noreia, the Battle of Burdigala, and most notably at the Battle of Arausio, the Romans under Gaius Marius finally defeated the Teutons and Ambrones as they attempted to advance through the Alps into Italy. Local lore associates the name of the mountain, Mont St. Victoire, with the Roman victory at the battle of Aquae Sextiae, but Frédéric Mistral and other scholars have debunked this theory.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Aquae Sextiae was a decisive Roman victory in the Cimbrian War, halting the Teutonic and Ambrone advance through the Alps into Italy. It followed a sequence of serious Roman defeats — at Noreia, Burdigala, and most catastrophically at Arausio — that had left the Roman Republic exposed to sustained Germanic incursion. Under Gaius Marius, Roman forces numbering between 32,000 and 40,000 inflicted casualties reported at 100,000 to 120,000 on the Teutons, effectively destroying them as a fighting force. By blocking the Alpine passage, the battle removed one of the two major Germanic threats converging on Italy during this period, allowing Marius to subsequently redirect Roman strength against the Cimbri. The victory marked a turning point after years of Roman military failure and established Marius as the preeminent Roman commander of the conflict.

Forces & casualties

Troop strength

  • Roman Republic32,000–40,000
    medium
  • Teutons30,000
    medium

Roman Republic fielded a 1.2 : 1 numerical advantage

Casualties

  • Teutons100,000–120,000
    medium367% loss rate

Commanders (2)

Roman Republic

Teutons

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Related

4 sibling battles · 0 factions

Last verified July 2026
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