Searched for http://zh.unesco.org/events/ta-ji-ke-si-tan-guan-yu-yi-dong-ying-yong-kai-fa-qing-nian-yi-dong-xue-xiao 
Note: This calendar view maps the number of captures of http://zh.unesco.org/events/ta-ji-ke-si-tan-guan-yu-yi-dong-ying-yong-kai-fa-qing-nian-yi-dong-xue-xiao, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.