Atlas of Battles

siege, ancient

Siege of Segusio

Siege of Segusio was a siege conducted in AD 312 at Susa, in what is now Italy. The recorded result: Constantinian victory.

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Esquerda: Cabeça do Colosso de Constantino, Museus Vaticanos; Direita: Busto de Magêncio no Museu Pushkin
Esquerda: Cabeça do Colosso de Constantino, Museus Vaticanos; Direita: Busto de Magêncio no Museu Pushkin. Shakko; Markus Bernet, CC BY 3.0, via Wikimedia Commons.
FoughtAD 312
WhereSusa, Italy45.133N, 7.050E
OutcomeConstantinian victory
BelligerentsConstantinian forcesagainstMaxentian forces

Record

DateAD 312 (year precision)
PlaceSusa, Italy
45.133N, 7.050E
KindSiege, ancient
Commanders
Siege of SegusioSiege of SegusioBattle of AssiettaBattle of MéribelSiege of TurinBattle of GataeBattle of TurinBattle of AssiettaBattle of MéribelSiege of TurinGenevaMilanLyonGenoaGrenobleLuganoComoAnnecy100 km45.133N, 7.050E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Elsewhere in AD 312

Siege of Segusio is one of 65 engagements of the 4th century in the atlas and one of 942 in present-day Italy.

Sources

Identity, coordinates, dates and the war from Wikidata Q25420404, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Segusio, revision 1370745147, 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.