Google Books Ngram Viewer

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

1800 - 1878 1879 - 1952 1953 - 1962 1963 - 1997 1998 - 2008 caliber English
1800 - 1836 1837 - 1859 1860 - 1868 1869 - 1965 1966 - 2008 calibre English

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