- Which empire lasted the longest?
- When did Rome start to decline?
- Who influenced Rome the most?
- Why did the Roman Empire last so long?
- What if Rome never fell?
- What’s the greatest empire in history?
- Who was the last emperor of Rome?
- When did the Roman Empire start and end?
- Why did the Roman Empire fall?
- Who was the most powerful king in history?
- Who was Rome’s greatest enemy?
- Why were the Romans so successful in battle?
- Who destroyed the Roman Empire?
- How long did Rome rule the world?
- Who defeated the Visigoths?
- Do any empires exist today?
Which empire lasted the longest?