Searched for https://en.unesco.org/creative-cities/events/shenzhen-global-design-award-first-call-entries-until-25-march-2018 
Note: This calendar view maps the number of captures of https://en.unesco.org/creative-cities/events/shenzhen-global-design-award-first-call-entries-until-25-march-2018, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.