Google Books Ngram Viewer

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

1900 - 1946 1947 - 1951 1952 - 1956 1957 - 1996 1997 - 2008 world war i English
1900 - 1919 1920 - 1922 1923 - 1925 1926 - 1987 1988 - 2008 the great war English

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