Atlas of Battles

battle, notable, ancient

Battle of Mediolanum

Battle of Mediolanum was a battle fought in AD 259 at Mediolanum, in what is now Italy. The recorded result: Roman victory. Recorded strength: 60,000 armed against 300,000 warriors (including civilians).

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Map of Roman Mediolanum (Milan - Italy)
Map of Roman Mediolanum (Milan - Italy). Cristiano64, CC BY-SA 3.0, via Wikimedia Commons.
FoughtAD 259
WhereMediolanum, Italy45.467N, 9.167E
OutcomeRoman victory
BelligerentsRoman EmpireagainstAlemanni
Casualties and lossesUnknownandTotal

Record

DateAD 259 (year precision)
PlaceMediolanum, Italy
45.467N, 9.167E
KindBattle, ancient
Territorial changeSome parts of Agri Decumates occupied by Alemanni
Strength60,000 armed300,000 warriors (including civilians)
Casualties and lossesUnknownTotal
Commanders
  • Gallienus
Battle of MediolanumBattle of MediolanumPo Valley RaidSiege of MilanSiege of MediolanumSiege of MilanSiege of MilanPo Valley RaidTurinGenoaBolognaBergamoParmaTrentoLuganoBolzano100 km45.467N, 9.167E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Contested ground: this site was fought over 10 times between 222 BC and 1522.

Battle of Mediolanum is one of 85 engagements of the 3rd century in the atlas and one of 942 in present-day Italy.

Sources

Identity, coordinates, dates and the war from Wikidata Q2309606, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Mediolanum, revision 1370449442, 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.