Battle of Dunkirk

Franco-Burgundian forces intercept Flemish and English troops near Dunkirk during an expedition launched by the Bishop of Norwich as part of a crusade against partisans of the Avignon pope. The battle turns in favor of the French after a decisive charge of heavy cavalry.

France, loyal to the Avignon pope, confronts an English crusade led by the Bishop of Norwich, who supports the Roman pope. Flemish militias, still in revolt against their count, join the English. The Battle of Dunkirk is a direct French response to secure the coast and crush the rebellion.

Deployment in depth, use of the crossbow to disorganize enemy infantry, cavalry breakthrough on the English left flank, progressive disintegration of non-professional militias.

Defeat of the English crusade, withdrawal of enemy forces, strengthening of the Franco-Avignon position in the Western Schism. Dunkirk remains under control of the Count of Flanders, allied to the French crown.