Google Books Ngram Viewer

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

1800 - 1812 1813 - 1826 1827 - 1876 1877 - 1971 1972 - 2008 peace English
1800 - 1817 1818 - 1831 1832 - 1845 1846 - 1967 1968 - 2008 prosperity English

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