Google Books Ngram Viewer

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

1750 - 1896 1897 - 1933 1934 - 1942 1943 - 1989 1990 - 2000 boston tea party English

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