Rome was ruled by a republic for 500 years and shifted quite dramatically to a dictatorship. So, how did this happen, why did Rome shift in politics? This six-part series sets the stage for Caesar, Nero, and Vespasian with the revolution began by Tiberius. Each of the following five video clips tells the story of this revolution. Due to the graphic and over-dramatic nature of this series, it should be previewed prior to use.