The fall of the first republic. By LilyG28 753 BCE Romulus and his twin brother, Remus, found Rome. 509 BCE King Lucius Tarquinius Superbus was overthrown by the noble men of Rome 360 BCE Julias, caesar, is proclaimed emperor . 306 BCE Constantine is declared emperor by his troops 275 BCE The romans rebuilt rome, and fully controlled rome once more. 218 BCE Rome declared war on Carthage. 149 BCE Large Roman army landed at Utica in North Africa 27 BCE Gaius Julius Caesar Octavianus was awarded the honorific title of Augustus.