Google Books Ngram Viewer

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

Ngrams not found: Rape of nanking, [Rape of nanking], c0t4, [c0t4]
The Ngram Viewer is case sensitive. Check your capitalization!

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1800 - 1972 1973 - 1999 2000 2001 - 2006 2007 - 2008 rape of nanking English
1800 - 1832 1833 - 1879 1880 - 1890 1891 - 1979 1980 - 2008 s0 English
1800 - 1882 1883 - 1969 1970 - 1976 1977 - 1994 1995 - 2008 c0 English

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