13: End Of The World As We Know It, The

 I went back to Ohio, but my city was gone.
– Christine E. Hynde

The segments of this lecture are:

• 13a: Introduction
• 13b: The Roman Imperial Military
• 13c: Crisis of the Third Century AD
• 13d: Roman Totalitarianism
• 13e: Conclusions

Important terms, concepts, individuals, and events:

Praetorian Guard, auxiliaries, legionaries, limes, castrum, castellum, Didius Julianus, Septimius Severus, annona, Zenobia, Tetrarchy, Dominate, cult of personality

Questions for consideration: 

1. How did the reign of Septimius Severus differ from the reigns of the "Five Good Emperors," and why?
2. What were the telltale signs of the Crisis of the Third Century AD?
3. What were the strengths of the Tetrarchy, and what were the shortcomings?