Google Books Ngram Viewer

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

1914 - 1947 1948 - 1959 1960 - 1965 1966 - 2000 2001 - 2008 world war i English
1914 - 1954 1955 - 1979 1980 - 1983 1984 - 2002 2003 - 2008 world war one English
1914 - 1945 1946 - 1963 1964 - 1969 1970 - 1999 2000 - 2008 first world war English
1914 - 1920 1921 - 1923 1924 - 1935 1936 - 1993 1994 - 2008 great war English

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