Battle of Dijon
1870 CE.
Shown on the map at 47.322°, 5.041°.
The Battles of Dijon were a series of battles that took place in 1870 and 1871, as part of the Franco-Prussian War, on the current territory of the French commune of Dijon between the French Republic and the German states of Prussia and Baden and later, the German Empire.
Text from the Wikipedia article Battle of Dijon (1870), licensed CC BY-SA 4.0.