Did you know?
Length of Greenland, North to South (2,660 km) is 50 x Full length of Broadway (53 km)
Tweet this comparison
Time since the birth of al-Khwarizmi (1,244 y)
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.