THE ROMAN CIVILIZATION By ALBERTO ARANDA Period: 753 BCE to 509 BCE THE ROMAN MONARCHY Period of time where a king had an absolute power. Period: 509 BCE to 27 THE ROMAN REPUBLIC Period of time where the Senate and magistrates had the power 489 BCE PATRICIO-PLEBEYO CONFLICT Period: 27 BCE to 476 THE ROMAN EMPIRE Period of time where an emperor had an absolute power