Google Books Ngram Viewer

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

1800 - 1810 1811 - 1820 1821 - 1864 1865 - 1949 1950 - 2008 anno domini English
1800 - 1946 1947 - 1998 1999 - 2001 2002 - 2004 2005 - 2008 common era English
1800 - 1847 1848 - 1932 1933 - 1943 1944 - 1974 1975 - 2008 christian era English
1800 - 1963 1964 - 1981 1982 - 1983 1984 - 2005 2006 - 2008 current era English

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