In its day, the largest and most powerful Empire the world had ever seen.

The goal is to become and remain the most powerful empire.

They are among the world's largest and most powerful financial empires.

The purpose of the game is to create the most powerful empire in the galaxy.

This was Europe's most powerful empire in its day.

That's the problem with having such a gigantic and powerful empire.

This marked an end to the once powerful Empire.

Serbia was recognized as the most powerful empire in the Balkans for the next several years.

What lies beyond their jump-points could be a vast and powerful empire.

The Assyrians came to rule powerful empires a number of times through history.