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Length of reign of King Sobhuza II of Swaziland (82 y) is about as big as Length of the Punic Wars (Rome v Carthage) (82 y)
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Distance to Eris (dwarf planet) (10.17 billion km)
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.