rome timeline By Santy12345678 625 BCE people first settle in rome 509 BCE the rome republic is founded 146 BCE Rome destroys carthage 44 BCE Julius Casear becomes dictator for life 21 BCE Roman empire is founded 80 the coliseum is complete 80 the Pax Romania end 313 Emperor Constatine end the persecution of christians end in the empire 410 Goth sacks Rome 475 The westerns Roman empire collapse