As can be discerned from the title, this is a history book that chronicles the lives of people who were part of the Roman Empire, from the era where they were ruled by Nero, all the way up to Marcus Aurelius. Between Nero and Marcus Aurelius, there were also the following Roman emperors, some of them notable rulers in their own right: Galba, Otho, Vitellius, Vespasian, Titus, Domitian, Nerva, Trajan, Hadrian, and Antoninus Pius.