Siege of Breisach
1638 CE.
Shown on the map at 48.032°, 7.577°.
The siege of Breisach was fought on 18 August — 17 December 1638 as part of the Thirty Years' War. It ended after several unsuccessful relief attempts by Imperial forces with the surrender of the Imperial garrison to Bernard of Saxe-Weimar, commander of a Protestant army in French service.
Text from the Wikipedia article Siege of Breisach, licensed CC BY-SA 4.0.