The Battle of the Catalaunian Plains took place in 451 AD between the forces of the Roman Empire, led by Flavius Aetius, and the invading Huns, commanded by Attila. This significant battle occurred in what is now northeastern France and was crucial in halting the Hunnic advance into Western Europe. The Roman army was supported by various allied tribes, including the Visigoths.
The battle was marked by fierce fighting and heavy casualties on both sides. Ultimately, while the Romans and their allies managed to repel the Huns, the conflict did not lead to a decisive victory for either side. The battle is often seen as a turning point in the struggle against the Hunnic invasions.