The Pax Romana came to an end with the death of the last, who was a Stoic philosopher who wrote the Meditations.
The fourth earned the nickname "cummin-splitter" for his frugal habits. Lucius Verus is not included in this group, although he served as co-ruler from 161 to 169 CE. The second annexed Dacia, celebrating his exploits on his column; the third and fourth constructed walls in Britain. The Pax Romana came to an end with the death of the last, who was a Stoic philosopher who wrote the Meditations. FTP name this group of Roman emperors starting with Nerva and ending with Marcus Aurelius.
The fourth earned the nickname "cummin-splitter" for his frugal habits.
{Five Good Emperors}