First Battle of Clusium
81 BCE.
Shown on the map at 43.050°, 11.671°.
The First Battle of Clusium took place in June of 82 BC during the Roman Republic's Second Civil War. The battle pitted the Optimates under the command of Lucius Cornelius Sulla against the Populares commanded by Gnaeus Papirius Carbo. The battle was indecisive.
Text from the Wikipedia article First Battle of Clusium, licensed CC BY-SA 4.0.