Roman Empire By Kylee Depew 753 BCE Rome was found 509 BCE Rome becomes a republic 499 BCE The law of the 12 tables 306 BCE Constantine becomes the emporer 285 BCE Division of the Empire The empire had grown too vast to be ruled from the central govt. at rome was so divided by Emperor Diocletian. 117 BCE Romes height They had the most extensive political and social structures in western civilization. 80 BCE The colosseum was built 44 BCE Julius caesar is assasinated 27 BCE The Roman Empire begins 395 The Roman empire is divided 476 The fall of the Roman Empire