Ancient Rome By EGSMI22 509 BCE Roman Republic is Founded 509 BCE 499 BCE The Law of the 12 tale is instituted 218 BCE Hannibal invades Italy 73 BCE The Spartacus slave uprising 45 BCE Julius Caesar becomes dictator 44 BCE Julius Caesar is assassinated 38 BCE Emperor Caligula's reign begins 27 BCE Augustus becomes the first emperor of Rome 64 Great fire of Rome -CE 80 Construction of the colosseum is completed-CE 96 age of the five good emperors 96-180 CE 165 Antonine Plague 165 CE 330 Capital of the Empire is moved to Constantinople 330 CE 380 Empire converts to Christianity 380 CE 410 Sack of Rome 410 CE