Searched for https://en.unesco.org/creative-cities/events/2015-edition-shenzhen-design-award-young-talents-opened 
Note: This calendar view maps the number of captures of https://en.unesco.org/creative-cities/events/2015-edition-shenzhen-design-award-young-talents-opened, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.