Battle of La Rochelle: Castilian galleys destroy English fleet

June 1372

A Franco-Castilian fleet under Ambrosio Boccanegra burned the English convoy carrying troops and treasure into Aquitaine off the Atlantic port. Edward III lost command of the Channel for the first time in three decades, a strategic reversal that isolated English garrisons in southwest France. French diplomacy had reshaped Iberia and naval power in a single Atlantic afternoon.