Battle of Saalfeld
1806 CE.
Shown on the map at 50.650°, 11.367°.
The Battle of Saalfeld took place on 10 October 1806, at which a French force of 12,800 men commanded by Marshal Jean Lannes defeated a Prussian-Saxon force of 8,300 men under Prince Louis Ferdinand. The battle took place in Thuringia in what was the Ernestine duchy of Saxe-Coburg-Saalfeld. The battle was the second clash in the Prussian Campaign of the War of the Fourth Coalition.
Text from the Wikipedia article Battle of Saalfeld, licensed CC BY-SA 4.0.