Google Books Ngram Viewer

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

1946 - 1960 1961 - 1995 1996 - 1999 2000 - 2003 2004 - 2008 world war ii English
1946 - 1956 1957 - 1986 1987 - 1990 1991 - 2001 2002 - 2008 second world war English

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