Google Books Ngram Viewer

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

1800 - 1948 1949 - 1992 1993 - 1995 1996 - 1998 1999 - 2000 wreaked havoc English
1800 - 1899 1900 - 1935 1936 - 1943 1944 - 1977 1978 - 2000 wrought havoc English

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