Did you know? Period of Neptune's orbit (164.8 y) is 2 x Length of the Punic Wars (Rome v Carthage) (82 y)
Government Consumption in Iran (2019) (81.4 billion USD p/a)
/fact/government-consumption-in-iran
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.