Did you know? Time since the end of the Devonian geologic period (359 million y) is 2.5 x Time since the end of the Jurassic geologic period (145 million y)
Duration of Roman Republic (482 y)
/fact/duration-of-roman-republic
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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.