Ancient Rome By Erin gauci 509 BCE Roman Republic is Founded 449 BCE The Law of the 12 Tables is Instituted 218 BCE Hannibal invades Italy 73 BCE The Spartacus Slave uprising 45 BCE Julius Caesar becomes dictaror 27 BCE Augustus becomes the first emperor of Rome 38 Emperor Caligula's reign begins 64 Great Fire of Rome 80 Construction of the Colosseum is completed Period: 96 to 180 Age of the five good emperors 165 Antonine Plague 330 Capital of the Emperor is moved to Constantinople 380 Empire converts to Christianity 410 Sack of Rome