Google Books Ngram Viewer

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

1900 - 1912 1913 - 1969 1970 - 1974 1975 - 1981 1982 - 2000 peking English
1900 - 1934 1935 - 1937 1938 - 1954 1955 - 1975 1976 - 2000 peiping English
1900 - 1983 1984 - 1996 1997 - 1998 1999 - 2000 2001 - 2000 beijing English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer