Did you know? Length of the Punic Wars (Rome v Carthage) (82 y) is about as big as Length of reign of King Sobhuza II of Swaziland (82 y)
Agricultural production in Peru (2019) (17.53 billion USD p/a)
/fact/agricultural-production-in-peru
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.