Google Books Ngram Viewer

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

1800 - 1807 1808 - 1819 1820 - 1831 1832 - 1991 1992 - 2000 establish a plan English
1800 - 1858 1859 - 1944 1945 - 1953 1954 - 1986 1987 - 2000 make a plan English

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