Battle of St. Jakob an der Birs

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47°32′31″N 7°37′05″E / 47.542°N 7.618°E / 47.542; 7.618

Battle of St. Jakob an der Birs
Part of the Old Zürich War
Illustration of the battle in the Tschachtlanchronik of 1470
Date 26 August 1444 Location Basel, Switzerland Result French victory
Belligerents
France	Seven Cantons Basel
Commanders and leaders
Louis Dauphin of France Antoine de Chabannes	Unknown Henman Sevogel
Strength
30,000–40,000[1](certainly exaggerated)	c. 1,500 c. 1,300 Confederates 200–300 Basel troops
Casualties and losses
2,000[2]	1,200–1,500[3]

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.