Battle of St. Jakob an der Birs
1444 CE.
Shown on the map at 47.542°, 7.618°.
The Battle of St. Jakob an der Birs was fought between the Old Swiss Confederacy and French (mostly Armagnac) mercenaries, on the banks of the river Birs. The battle took place on 26 August 1444 and was part of the Old Zürich War. The site of the battle was near Münchenstein, Switzerland, just over 1 km outside the city walls of Basel, today within Basel's St-Alban district.
Text from the Wikipedia article Battle of St. Jakob an der Birs, licensed CC BY-SA 4.0.