Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1846 1847 - 1969 1970 - 1980 1981 - 1991 1992 - 2000 many people English
1800 - 1811 1812 - 1835 1836 - 1847 1848 - 1952 1953 - 2000 many persons English

Run your own experiment! Raw data is available for download here.
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