Battle of Autun
532 CE.
Shown on the map at 46.952°, 4.299°.
The Battle of Autun is said to have been fought in AD 532, when the Merovingian Kings Childebert I and Clothar I decisively defeated the Burgundians, led by King Godomar.
Text from the Wikipedia article Battle of Autun (532), licensed CC BY-SA 4.0.