Google Books Ngram Viewer

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

1800 - 1885 1886 - 1896 1897 - 1941 1942 - 1998 1999 - 2008 charles darwin English
1800 - 1928 1929 - 1940 1941 - 1945 1946 - 1996 1997 - 2008 winston churchill English
1800 - 1858 1859 - 1957 1958 - 1967 1968 - 1999 2000 - 2008 galileo galilei English
1800 - 1968 1969 - 1996 1997 - 2000 2001 - 2004 2005 - 2008 karl popper English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer