Ancient Rome, founded in 753 B.C., evolved from a monarchy to a republic, then to an empire under Augustus, profoundly influencing Western culture and law.
The Roman military evolved from a citizen militia to a professional force under leaders like Gaius Marius, featuring structured legions and auxiliary forces, crucial for Rome's vast empire.
The Roman military, renowned for its discipline and organization, evolved into a professional force under leaders like Gaius Marius, shaping the Empire's expansion and identity.