Did you know? Time since earliest wheeled vehicles (4,000 y) is 4 x Time since start of building of Great Zimbabwe (1,000 y)
Length of the longest ski jump ever (2015) (251.5 m)
/fact/length-of-the-longest-ski-jump-ever-2015
Link
If this was a standard unit ...
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.