His reign saw the completion of the Flavian Amphitheatre and the burial of Pompeii.
His liaison with the sister of Agrippa II fueled his subjects' fears of Oriental despotism.  Despite his lavish generosity, which completed the Temple of the Capitoline Jupiter, Cassius Dio reported that he was "frugal in money matters and made no unnecessary expenditure." His work in the empire's eastern provinces included negotiations with Gaius Licinius Mucianus of Syria on behalf of his predecessor and his command of the 15th Legion of Apollo, which gained him his greatest fame. His reign saw the completion of the Flavian Amphitheatre and the burial of Pompeii. FTP, name this Roman emperor, whose brutal siege of Jerusalem is celebrated in his "Arch."
His liaison with the sister of Agrippa II fueled his subjects' fears of Oriental despotism.  
Titus Flavius Sabinus Vespasianus