siege, medieval

Siege of Dumbarton

Name: Siege of Dumbarton
Location: Dumbarton Castle, United Kingdom

Siege of Dumbarton was a siege conducted in AD 870 at Dumbarton Castle, in what is now United Kingdom. It was part of Norse culture. The recorded result: Dublin victory.

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FoughtAD 870

WhereDumbarton Castle, United Kingdom55.936N, 4.562W

OutcomeDublin victory

BelligerentsKingdom of StrathclydeagainstKingdom of Dublin

Part ofNorse cultureScandinavian Scotland

Record

Date	AD 870 (year precision)
Place	Dumbarton Castle, United Kingdom 55.936N, 4.562W
Kind	Siege, medieval
Commanders	Arthgal ap Dyfnwal	Ímar Amlaíb Conung

The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Battle of Alclud Ford AD 580, 0.1 km N
Clydebank Blitz 1941, 11 km E
Battle of Renfrew 1164, 13 km SE
Battle of Glen Fruin 1603, 19 km NW
Battle of Langside 1568, 22 km SE

In the same war

After: Battle of Dollar AD 875

Elsewhere in AD 870

Siege of Dumbarton is one of 193 engagements of the 9th century in the atlas and one of 753 in present-day United Kingdom.

Sources

Identity, coordinates, dates and the war from Wikidata Q23018893, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Dumbarton, revision 1373365961, 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.