Battle of La Rochelle (1419)

The naval Battle of La Rochelle of 1419 took place between a Castilian and an allied Flemish-Hanseatic fleet.^[3][4] The Castillian victory resulted in their naval supremacy in the Bay of Biscay. but it also led to a protracted conflict with Flanders and the Hanseatic League, which ended in 1443 with further commercial concessions to Castile.^[5] The battle was notable for the use of guns by the Castilian fleet.

Battle of La Rochelle
Part of the Hundred Years' War
Date December 30, 1419 Location Coast and Port of La Rochelle 47.2667°N 1.3833°W / 47.2667; -1.3833 Result Castilian victory
Belligerents
Crown of Castile	County of Flanders[1] Hanseatic League
Commanders and leaders
John II of Castile	Unknown
Casualties and losses
Unknown	40 ships captured[1][2]