Atlas of Battles

battle, medieval

Battle of Monmouth

Battle of Monmouth was a battle fought on 25 November 1233 at Monmouth, in what is now United Kingdom. It was part of the Norman Invasion of Wales, which ran from 1051 to 1204. The recorded result: Rebel victory. Recorded strength: ? against ?.

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Great Tower, Monmouth Castle It was probably in this tower that Henry V was born in 1387. The castle at that time belonged to his grandfather, John of Gaunt. Henry became Prince of Wales when his fath
Great Tower, Monmouth Castle It was probably in this tower that Henry V was born in 1387. The castle at that time belonged to his grandfather, John of Gaunt. Henry became Prince of Wales when his fath. Eirian Evans, CC BY-SA 2.0, via Wikimedia Commons.
Fought25 November 1233
WhereMonmouth, United Kingdom51.813N, 2.725W
OutcomeRebel victory
Belligerents20px Kingdom of England; 20px County of Flandersagainst20px English rebels; 20px Principality of Wales
Part ofNorman Invasion of Wales1051 to 1204

Where it sits in the Norman Invasion of Wales

Battle of Llanllieni, 1052Battle of Porthskewed, 1065Battle of Rhymney, 1071Battle of Rhuddlan Castle, 1075Battle of Aberllech, 1086Battle of Old Domen, 1095Battle of Clastbirig, 1095Battle of Gelli Carnant, 1096Battle of Llwchwr, 1135Battle of Crug Mawr, 1136Battle of Tal Moelfre, 1157Battle of Crogen, 1165Battle of Taflowern, 1167Battle of Caereinion Castle, 1167Battle of Prestatyn Castle, 1167Battle of Seisyll's Court, 1175Battle of Dingestow Castle, 1182Battle of Carnwyllion, 1189Battle of Maesyfed, 1195Battle of Painscastle Castle, 1196Battle of Domen Gastell, 1196Battle of Mold Castle, 1199Battle of Carreghofa, 1213Battle of Mathrafal Castle, 1213Battle of Holywell Castle, 1213Battle of the White Castle, 1215Battle of Loughor Castle, 1215Battle of Hay on Wye, 1216Battle of Colwyn Castle, 1216Battle of Caerleon Castle, 1217Battle of Cydweli, 1223Battle of Neath Castle, 1231Battle of Bwlch y Dinas Castle, 1233Battle of Tretower, 1233Battle of Pengelli Castle, 1233Battle of Brecon, 1233Battle of Abergavenny Castle, 1233Battle of Cardiff Castle, 1233Battle of Monmouth, 1233Battle of Kenfig, 1243Battle of Penrhos Castle, 1251Battle of Bodyddon Castle, 1257Battle of Gwernesgof, 1257Battle of Laugharne Castle, 1257Battle of Builth Castle, 1260Battle of Castell Llandandras, 1262Battle of Bleddfa Castle, 1262Battle of Nantcriba, 1263Battle of Diserth Castle, 1263Battle of Radnor, 1264Battle of Caerphilly Castle, 1270Battle of Powis Castle, 1274Battle of Dolfrowyn Castle, 1277Battle of Hawarden Castle, 1282Battle of Newport, 1402Battle of St Asaph, 140610521406Battle of Monmouth, 1233
56 placed engagements of the Norman Invasion of Wales in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date25 November 1233
PlaceMonmouth, United Kingdom
51.813N, 2.725W
KindBattle, medieval
Strength??
Casualties and lossesHeavy
Commanders
  • Baldwin III, Count of Guînes
  • Richard Marshal
Battle of MonmouthBattle of MonmouthBattle of Wonastow CourtBattle of Dingestow CastleBattle of Craig-y-dorthBattle of Penrhos CastleBattle of PenconBattle of Wonastow CourtBattle of Penrhos CastleBattle of PenconBirminghamCardiffNottinghamBrightonPortsmouthStokeLutonExeter100 km51.813N, 2.725W
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 6 times between 1182 and 1644.

In the same war

Elsewhere in 1233

Battle of Monmouth is one of 590 engagements of the 13th century in the atlas and one of 695 in present-day United Kingdom.

Sources

Identity, coordinates, dates and the war from Wikidata Q281013, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Monmouth (1233), revision 1370450252, 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.