Google Books Ngram Viewer

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

1800 - 1845 1846 - 1982 1983 - 1992 1993 - 2001 2002 - 2008 launch English
1800 - 1857 1858 - 1956 1957 - 1960 1961 - 1998 1999 - 2008 rocket English
1800 - 1965 1966 - 1984 1985 - 1988 1989 - 2003 2004 - 2008 nasa English

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