Did you know? Time since the birth of Dante Alighieri (759 y) is 400 x Period of Mars's orbit (1.88 y)
Industrial production in Belgium (2019) (117.8 billion USD p/a)
/fact/industrial-production-in-belgium
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.