Atlas of Battles

battle, notable, medieval

Battle of Ballon

Battle of Ballon was a battle fought on 22 November AD 845 at Bains-sur-Oust, in what is now France. The recorded result: Breton victory. Recorded strength: about 1,000 Bretons against about 3,000 Franks.

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illustration from L'Histoire de Notre Bretagne, 1922
illustration from L'Histoire de Notre Bretagne, 1922. Jeanne Malivel - died 1926, Public domain, via Wikimedia Commons.
Fought22 November AD 845
WhereBains-sur-Oust, France47.704N, 2.070W
OutcomeBreton victory
BelligerentsKingdom of BrittanyagainstKingdom of West Francia

Record

Date22 November AD 845
PlaceBains-sur-Oust, France
47.704N, 2.070W
KindBattle, medieval
Strengthabout 1,000 Bretonsabout 3,000 Franks
Commanders
  • Nominoë
Battle of BallonBattle of BallonBattle of RedonFirst Battle of RedonBattle of Guémené-PenfaoBattle of MessacBattle of JenglandBattle of RedonBattle of MessacRennesNantesLe MansLorientAngersPoitierSt.-Brieuc100 km47.704N, 2.070W
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 3 times between AD 845 and 1815.

Elsewhere in AD 845

Battle of Ballon is one of 169 engagements of the 9th century in the atlas and one of 1,383 in present-day France.

Sources

Identity, coordinates, dates and the war from Wikidata Q2888101, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Ballon, revision 1370433181, 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.