[nerdponx]

Rome was still actively campaigning on its borders and violently suppressing revolts in the provinces during that time period. But it probably felt very peaceful from the perspective of (middle- and upper-class) Romans, especially in contrast to the constant warfare and chaos of the centuries before and after.

[telotortium]

Not so different from the US, really. I'm sure Middle Easterners speak of the "Pax" Americana in sarcastic tones.