Searched for https://uil.unesco.org/publications?term_node_tid_depth=455&sort_by=field_publication_date_value&sort_order=DESC 
Note: This calendar view maps the number of captures of https://uil.unesco.org/publications?term_node_tid_depth=455&sort_by=field_publication_date_value&sort_order=DESC, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.