The most powerful and successful Empire
Their Praetorian Guard and Centurion soldiers even rivaled Spartans in fighting skill.
At it's greatest extent, their territory was 2,300,000 sq.mi. Stretching
, as well as Northern Africa
, and conquered
much of western Asia
Collapsed only because of lack
of money to fund the enormous size of its almost undefeated Army
NOT be confused with The Holy Roman
Empire's influence upon the law, culture, technology, arts, religion, government,language, military, and architecture of civilizations that followed continues to this day.