Searched for http://www.unesco.org/new/en/unesco/themes/icts/single-view/news/african_countries_to_develop_national_policies_to_adopt_open_educational_resources/
Note: This calendar view maps the number of captures of http://www.unesco.org/new/en/unesco/themes/icts/single-view/news/african_countries_to_develop_national_policies_to_adopt_open_educational_resources/, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.