The naval Battle of La Rochelle 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.
References
^ abNicolle, David (2014). Forces of the Hanseatic League: 13th–15th Centuries. Bloomsbury Publishing. p. 40. ISBN978-1782007807.