BattlefieldsEdward I First Welsh War — Coastal Advance 1277
Medieval

Edward I First Welsh War — Coastal Advance 1277

1277
Flintshire, Wales
Era
Medieval
Battle Type
Pitched Battle
Location
Flintshire, Wales
Status
Unregistered
The Combatants

Who Fought

Defeated
Gwynedd under Llywelyn ap Gruffudd
Forces
Gwynedd under Llywelyn ap Gruffudd
VS
Victor
English royal army under Edward I
Forces
English royal army with fleet under Edward I
Outcome
English victory without major battle; Llywelyn isolated and forced to submit
The Battle

History & Significance

Edward I conducts a methodical three-pronged advance into Wales. The main force moves along the north Wales coast road, cutting off Anglesey grain supplies while fleet secures the island. Llywelyn is isolated in Snowdonia without the resources to fight and forced to submit by the Treaty of Aberconwy, losing most of his gains.

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