Battle of Miajadas
1809 CE.
Shown on the map at 39.153°, -5.908°.
The battle of Miajadas took place on 21 March 1809 in Miajadas, Spain, and saw the Spanish cavalry led by General Henestrosa ambush the 10th French Horse Chasseurs Regiment commanded by Colonel Subervie. The French troopers suffered heavy losses when the two Spanish cavalry regiments charged them by the flank.
Text from the Wikipedia article Battle of Miajadas, licensed CC BY-SA 4.0.