Searched for http://whc.unesco.org/en/soc/?action=list&id_search_state=143&id_threats=100%2C102%2C101%2C103%2C
Note: This calendar view maps the number of captures of http://whc.unesco.org/en/soc/?action=list&id_search_state=143&id_threats=100%2C102%2C101%2C103%2C, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.