Google Books Ngram Viewer

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

1800 - 1923 1924 - 1987 1988 - 1993 1994 - 1999 2000 - 2008 19th century English
1800 - 1954 1955 - 1996 1997 - 2000 2001 - 2004 2005 - 2008 20th century English
1800 - 1986 1987 - 2004 2005 - 2006 2007 - 2008 2009 - 2008 21st century English

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