Augustus

Augustus, also known as Octavian, was the first Roman emperor and the founder of the Roman Empire’s principate.

Augustus, also known as Octavian, was the first Roman emperor and the founder of the Roman Empire’s principate. He ruled from 27 BCE until his death in 14 CE, overseeing major constitutional, military, administrative, and building reforms that helped usher in the Pax Romana.

Early life and rise to power

Born Gaius Octavius in 63 BCE, he was adopted by Julius Caesar and became known as Octavian after Caesar’s assassination in 44 BCE. He then defeated rivals in the post-Caesarian civil wars and emerged as Rome’s leading figure.

Principate and constitutional settlement

In 27 BCE, the Roman Senate granted him the honorific title Augustus while he retained real power as princeps. He established the principate, a political system that preserved republican forms while concentrating authority in the emperor.

Reforms and administration

His reign saw major reforms in taxation, currency, roads, the army, and urban administration in Rome. He also reorganized the army, created a standing professional force, strengthened the Praetorian Guard, and improved courier networks.

Military expansion and foreign policy

He expanded Roman territory, including Egypt after the defeat of Antony and Cleopatra, as well as Dalmatia, Pannonia, Noricum, Raetia, and parts of Hispania and Africa. These gains helped secure the empire’s frontiers and contributed to the Pax Romana.

Legacy

Augustus is remembered as one of antiquity’s most important rulers because he transformed Rome’s political order and helped inaugurate a long era of stability. His reign also marked the start of the Julio-Claudian imperial line. He died in Nola, near Naples, in 14 CE, after which Tiberius succeeded him.