The Roman Empire reached its greatest extent in the year 116.
The Roman Empire was, the first super power in the ancient world,
like the Chinese civilization, were both the earliest centers of human civilization.
Rome was also the only empire in history ancient times which, even though lost some battles, was never defeated in a war.
The Roman Empire went into decline in the 5th century AD., in it's 12-century existence, influenced most of the known world of that time.
The Romans created a civilization that has shaped subsequent world history for 2.000 years.
The remains of vast building projects, including roads and bridges, enormous baths and aqueducts, temples and theaters, as well as entire towns in the North African desert, still mark Rome's former dominion.
Cities throughout Western Europe stand on Roman foundations.
In modern days, a nation which come close to the Roman Empire it's the United States of America.
You can say the United States are not a real empire but, a democracy.
If you look at it in a different angle, may be you can see some similarities with the Roman Empire.
The United States have a hegemony in the world economy, in a sort of speaking they are an economic empire.
Like Rome, today the United States influences all the world.
The United States are perceived by many as the dominant economic, political, cultural, and military force in the world.
The United States economic stronghold in the world, today it's menaced by a growing Chinese influence and to survive in this new world , they need to adapt, to change at this new events.
All the empires or civilizations in the human history had not,lasted that long as the Roman Empire.
The United States as such it's not that old as the Roman Empire, but at a certain point in time, all these civilizations had ended.
Like the Roman Empire, the United States will too