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Originally shared by Randall MunroeHere are some interesting charts I came across while browsing Google Ngrams (Google's database of historical word frequency based on the Google Books archive):
http://xkcd.com/ngram-charts/![](http://books.google.com/ngrams/chart?content=President+Lincoln%2CPresident+Roosevelt%2CPresident+Kennedy%2CPresident+Johnson%2CPresident+Nixon%2CPresident+Reagan%2CPresident+Bush&year_start=1780&year_end=2008&corpus=5&smoothing=3)
http://xkcd.com/ngram-charts/
Some of the interesting charts I've come across while using Google ...
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