Anchient Rome Timeline By miya_quance 509 BCE Rome becomes republic 241 BCE First Punic War 53 BCE First Triumvirate Formed 49 BCE Julius Caesar crosses the rubicon river 44 BCE Julius Caesar is murdered in the forum 43 BCE second triumvirate formed 31 BCE Octavian Vicorious Battle of Actium Period: 27 BCE to 14 Augustus Caesar ruled 41 Caligula assasinated 54 Nero becomes emperor 64 Great Fire Of Rome 79 Mt Vesuvius erupts and buries Pompeii 80 Construction on Coliseum finishes 313 Edict of Milan 330 Consantine makes Constantinople the capital