Battle of Mehrnbach
1805 CE.
Shown on the map at 48.219°, 13.489°.
The Battle of Mehrnbach (also known as the Battle of Ried) on 30 October 1805 saw the French vanguard commanded by Marc Antoine de Beaumont engaging an Austro-Russian rearguard detachment during the War of the Third Coalition.
Text from the Wikipedia article Battle of Mehrnbach, licensed CC BY-SA 4.0.