Searched for http://www.unesco-ci.org/photos/showphoto.php/photo/7047/title/2nd-conference-on-ling/cat/761 
Note: This calendar view maps the number of captures of http://www.unesco-ci.org/photos/showphoto.php/photo/7047/title/2nd-conference-on-ling/cat/761, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.