Interesting alternate history speculation to think how long the Roman Empire might have lasted had it not adopted christinsanity. Even the xtianized Byzantine Empire lasted until the 15th century. The Star Trek episode 'Bread And Circuses' shows a Roman-style planet with 20th century technology.
"Military men are dumb, stupid animals to be used as pawns for foreign policy."
--Henry A. Kissinger, jewish politician and advisor