Note: This calendar view maps the number of captures of https://wayback.archive-it.org/10611/20170509024342/http://www.unesco.org/new/en/communication-and-information/access-to-knowledge/archives/world-day-for-audiovisual-heritage/world-day-for-audiovisual-heritage-2011/, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.