Google Books Ngram Viewer

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

1900 - 1924 1925 - 1983 1984 - 1990 1991 - 1995 1996 - 2000 are effective from English
1900 - 1907 1908 - 1912 1913 - 1948 1949 - 1988 1989 - 2000 will take effect on English

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