Atlas of Battles

battle, notable, ancient

Battle of Clastidium

Battle of Clastidium was a battle fought in 222 BC at Clastidium, in what is now Italy. It was part of the Roman–Gallic Wars, which ran from 401 BC to AD 84. The recorded result: Roman victory. Recorded strength: 3,200 equites, 600 legionaries (not engaged) against 10,000 Gaesatae infantry and cavalry.

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John Harris Valda - Marcellus duel with Virdumarus (battle of Clastidium, illustration from Hutchinsons History of the Nations, 1915)
John Harris Valda - Marcellus duel with Virdumarus (battle of Clastidium, illustration from Hutchinsons History of the Nations, 1915). John Harris Valda, Public domain, via Wikimedia Commons.
Fought222 BC
WhereClastidium, Italy45.017N, 9.133E
OutcomeRoman victory
BelligerentsRoman RepublicagainstGaesatae, Insubres
Casualties and lossesLightandVery heavy
Part ofRoman–Gallic Wars401 BC to AD 84

Where it sits in the Roman–Gallic Wars

Sack of Rome, 390 BCBattle of the Allia, 387 BCBattle of the Anio River, 361 BCBattle of the Aniene, 360 BCBattle of Pedum, 358 BCBattle of Arretium, 283 BCBattle of Faesulae, 225 BCBattle of Clastidium, 222 BCBattle of Cremona, 200 BCBattle of Placentia, 194 BCBattle of Mutina, 193 BC390 BC193 BCBattle of Clastidium, 222 BC
11 placed engagements of the Roman–Gallic Wars in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date222 BC (year precision)
PlaceClastidium, Italy
45.017N, 9.133E
KindBattle, ancient
Strength3,200 equites, 600 legionaries (not engaged)10,000 Gaesatae infantry and cavalry
Casualties and lossesLightVery heavy
Commanders
  • Viridomarus
Battle of ClastidiumBattle of ClastidiumBattle of MontebelloBattle of Casei GerolaBattle of the VernavolaSiege of PaviaBattle of PaviaBattle of MontebelloBattle of Casei GerolaBattle of the VernavolaSiege of PaviaMilanGenoaBolognaVeronaBergamoParmaTrentoLugano100 km45.017N, 9.133E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 222 BC

Battle of Clastidium is one of 193 engagements of the 3rd century BC in the atlas and one of 1,038 in present-day Italy.

Sources

Identity, coordinates, dates and the war from Wikidata Q675000, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Clastidium, revision 1370109131, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.