Battle of the Arar
The Battle of the Arar was fought between the migrating tribes of the Helvetii and six Roman legions (Legions: Legio VII, Legio VIII Augusta, Legio IX, Legio X, Legio XI and Legio XII) under the command of Gaius Julius Caesar in 58 BC. It was the first major battle of the Gallic Wars and ended in a tactical victory for the outnumbered Roman army.