Searched for http://www.unesco.org/artcollection/DetailAction.do?idOeuvre=2642&critere=PAYS_ORIGINE&index=all 
Note: This calendar view maps the number of captures of http://www.unesco.org/artcollection/DetailAction.do?idOeuvre=2642&critere=PAYS_ORIGINE&index=all, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.