per Wikipedia: Honorius issued a decree during his reign, prohibiting men from wearing trousers in Rome. The last known gladiatoral games took place during the reign of Honorius, who banned the practice in 399 and again in 404, reportedly due to the martyrdom of a Christian monk named Telemachus while he was protesting a gladiator fight.
(Which was pretty much at the end of the Roman Empire and the city was sacked a few years later.)
(Which was pretty much at the end of the Roman Empire and the city was sacked a few years later.)