Google Books Ngram Viewer

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

1945 - 1959 1960 - 1989 1990 - 1993 1994 - 2003 2004 - 2008 10 january English
1945 - 1949 1950 - 1966 1967 - 1971 1972 - 1999 2000 - 2008 january 10 English

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