The [[Roman Empire]], though it started out as a [[republic]], evolved into an absolute military [[dictatorship]]. Whether it was ever a hereditary monarchy, however, is debatable at best. While certain families did manage to found dynasties that lasted for two or three generations, the vast majority of [[emperor]]s either came to power by a military [[coup]], or in a few cases were appointed on merit by their predecessor. | The [[Roman Empire]], though it started out as a [[republic]], evolved into an absolute military [[dictatorship]]. Whether it was ever a hereditary monarchy, however, is debatable at best. While certain families did manage to found dynasties that lasted for two or three generations, the vast majority of [[emperor]]s either came to power by a military [[coup]], or in a few cases were appointed on merit by their predecessor. |