Google Books Ngram Viewer

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

1800 - 1812 1813 - 1825 1826 - 1872 1873 - 1963 1964 - 2000 peace English
1800 - 1817 1818 - 1939 1940 - 1952 1953 - 1971 1972 - 2000 war English

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