Google Books Ngram Viewer

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

1700 - 1762 1763 - 1823 1824 - 1847 1848 - 1995 1996 - 2008 winter solstice English
1700 - 1762 1763 - 1782 1783 - 1799 1800 - 1984 1985 - 2008 summer solstice English

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