Google Books Ngram Viewer

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

1800 - 1881 1882 - 1941 1942 - 1948 1949 - 1996 1997 - 2008 caliber English
1800 - 1839 1840 - 1871 1872 - 1883 1884 - 1974 1975 - 2008 calibre English

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