Searched for https://ru.unesco.org/pressroom/search?field_article_type_tid=All&title=&field_country_reference_target_id=All&field_date_value%5Bvalue%5D=&field_tags_tid=&page=2
Note: This calendar view maps the number of captures of https://ru.unesco.org/pressroom/search?field_article_type_tid=All&title=&field_country_reference_target_id=All&field_date_value%5Bvalue%5D=&field_tags_tid=&page=2, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.