Battle of Chalons, AD 451: No ruler in history represents the barbarian brutality as much as Attila the Hun, who swept through 5th-century Europe and emerged holding its future in his grasp.
Battle of Adrianople and the Sack of Rome AD 378 to 410: Corruption drove the hungry horde of Visigoths to rebel against Rome and pride drove the Emperor Valens, heading a fractured Roman Empire, to take them on without support.
Battle of Pharsalus, 48 BC: Of all Rome's many battles, perhaps the most important was internal. When Julius Caesar went head-to-head, with Gnaeus Pompey, the outcome would change the fate of the Western world.
Battle of Cynoscephalae, 197 BC: In a classic military conflict between two Ancient World superpowers, the great Macedonian phalanx clashed mightily against the heavily fortified Roman legion.