Topic: Tell me a short, interesting fact about

The Roman Empire was the largest empire in the ancient world, spanning three continents at its peak. Its territories included parts of Europe, Africa, and Asia, with the city of Rome as its capital. The empire was established when Octavian was declared Emperor Augustus in 27 BC, marking the end of the Roman Republic and the beginning of the Pax Romana or "Roman Peace," a period of relative stability and peace that lasted for more than two centuries.