Or, alternatively, Pax Romana https://en.wikipedia.org/wiki/Pax_Romana https://en.wikipedia.org/wiki/Pax_Romana was just about ten periods ago, so we could be s

Or, alternatively, Pax Romana https://en.wikipedia.org/wiki/Pax_Romana https://en.wikipedia.org/wiki/Pax_Romana was just about ten periods ago, so we could be safely in the middle of the period. Interested may shine their crystal balls...