empire · 27 BC – 476 AD (West)

Roman Empire

The Roman Empire was one of the largest and most influential empires in history, ruling the Mediterranean world for centuries and bequeathing law, language, engineering and political ideas to Western civilization.

Key Takeaways

  • The Roman Empire was among the largest and most influential empires in history.
  • It bequeathed Roman law, Latin and monumental engineering to the West.
  • Its first emperor was Augustus; its philosopher-emperor was Marcus Aurelius.
Type
Empire
Capital
Rome
First emperor
Augustus

At its height the Roman Empire encircled the Mediterranean and stretched from Britain to Mesopotamia, governing tens of millions through a sophisticated system of law, administration and military power.

The Roman Empire was one of the most powerful and enduring states in human history. Born from the Roman Republic under Augustus, it grew to encircle the entire Mediterranean and govern tens of millions.

Its legacy is everywhere in the modern West: in legal codes descended from Roman law, in the Romance languages born from Latin, and in the roads, aqueducts and domes of Roman engineering. Ruled at its height by figures such as Marcus Aurelius, the empire shaped the imperial age that followed Rome’s republican century.

Key Achievements

  • Built roads, aqueducts and cities across three continents.
  • Developed a legal system foundational to Western law.
  • Maintained the Pax Romana across a vast, diverse realm.

Notable Figures of Roman Empire

Frequently Asked Questions

How big was the Roman Empire?

At its height under Trajan, the Roman Empire stretched from Britain and Spain to Egypt and Mesopotamia, ruling an estimated 50–60 million people.