Battle of Vejle
1864 CE.
Shown on the map at 55.717°, 9.533°.
The Battle of Vejle was a battle of the Second Schleswig War that occurred on March 8, 1864, between the Austrian Empire and Denmark at and in the town of Vejle. The Austrians won the battle and their victory opened the way for the Evacuation of Fredericia and the Battle of Jasmund.
Text from the Wikipedia article Battle of Vejle, licensed CC BY-SA 4.0.