Google Books Ngram Viewer

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

1900 - 1919 1920 - 1924 1925 1926 - 1967 1968 - 1971 war Chinese
1900 - 1919 1920 - 1924 1925 1926 - 1967 1968 - 1991 oil Chinese
1900 - 1924 1925 - 1941 1942 1943 - 1968 1969 - 1982 happy Chinese
1900 - 1903 1904 - 1924 1925 1926 - 1967 1968 - 1977 horse Chinese
1900 - 1922 1923 1924 - 1931 1932 - 1994 1995 - 2000 rain Chinese

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