Searched for http://whc.unesco.org/?calendarmode=year&cid=82&date=2009-01-01&index=21&l=fr&maxrows=20 
Note: This calendar view maps the number of captures of http://whc.unesco.org/?calendarmode=year&cid=82&date=2009-01-01&index=21&l=fr&maxrows=20, not how many times the site was actually updated.
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