On this day, a battle to decide the fate of an empire was being fought in Waterloo, a little-known town in Belgium.,Although the front line troops were retreating piecemeal, the entire battlefield soon crumbled with them. Even the emperor himself could not stop this rout.,He was the Agron referred to by the emperor, also the Crown Prince of the French Empire and King of Rome. He was once destined to inherit Napoleon's legacy as Napoleon II.。