Did you know? Women's Olympic Long Jump record (1988) (7.4 m) is 10 x Maximum length of a tennis racket (737 mm)
Duration of Dutch Empire (407 y)
/fact/duration-of-dutch-empire
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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.