Google Books Ngram Viewer

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

1800 - 1824 1825 - 1920 1921 - 1934 1935 - 1970 1971 - 2000 china English
1800 - 1857 1858 - 1870 1871 - 1879 1880 - 1982 1983 - 2000 england English
1800 - 1890 1891 - 1968 1969 - 1971 1972 - 1992 1993 - 2000 america English

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