 Shortly after it burned down in 64 AD, Vespasian began its replacement, later known as the Amphitheatrum Flavium (Colosseum), which seated 50,000 spectators and would remain the largest in the Empire.It was inaugurated by Titus in 80 AD as the personal gift of the Emperor to the people of Rome, paid for by the imperial share of booty after the Jewish Revolt.Amphitheatres were usually oval in plan.