Google Books Ngram Viewer

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

1800 - 1827 1828 - 1942 1943 - 1954 1955 - 1986 1987 - 2000 we the people English
1800 - 1921 1922 - 1939 1940 - 1944 1945 - 1987 1988 - 2000 propaganda English

Run your own experiment! Raw data is available for download here.
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