Google Books Ngram Viewer

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

1800 - 1953 1954 - 1990 1991 1992 - 1993 1994 - 1999 polarizing personality English
1800 - 1953 1954 - 1965 1966 - 1969 1970 - 1995 1996 - 2000 controversial personality English
1800 - 1980 1981 - 1998 1999 2000 2001 - 2000 polarizing figure English

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