Did you know?
Time since start of building of the Colosseum (1,948 y) is 2 x Time since the birth of Omar Khayyam (974 y)
Tweet this comparison
Pop. of Uruguay (3.39million)
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.