Vespasian's reign ended with his death. He died of illness.
The emperor Vespasian built the Colosseum.
Titus Flavius Caesar Vespasianus Augustus; 17 November 9 -- 23 June 79), was roman emperor from 69 AD to 79 AD.
His wife poisoned him to get her son Tiberius in control.
Probably because a new emperor took rule.
qi shihuang rule india
he became an emperor.
the shogun conquered the emperor and gained rule on japan
The emperor in Japan lived in Japan to rule.
The emperors usually were the main decider of what was allowed or what wasn't. In that aspect they could rule until their death; murder or natural. There was no time limit on their reign apart from age. The longest ruling emperor was the first: Augustus who reigned for 41 years.
Octavius emperor
Emperor Valens ruled from 364 to 378 AD.
charlemagne