Searched for https://en.unesco.org/creative-cities/events/open-streets-days-re-think-public-spaces-cape-town 
Note: This calendar view maps the number of captures of https://en.unesco.org/creative-cities/events/open-streets-days-re-think-public-spaces-cape-town, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.