Google Books Ngram Viewer

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

1800 - 1935 1936 - 1948 1949 - 1951 1952 - 1991 1992 - 2008 first world English
1800 - 1942 1943 - 1952 1953 - 1956 1957 - 1991 1992 - 2008 second world English
1800 - 1956 1957 - 1984 1985 - 1987 1988 - 2001 2002 - 2008 third world English

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