Note: This calendar view maps the number of captures of https://www.unesco.org/en/media/oembed?url=https%3A//www.youtube.com/watch%3Fv%3Dv0z44dTwNMU&max_width=0&max_height=0&hash=hvGFNnYSrg3uXICaSN943NSpv6rB4EeYxDDh5lhd5KE, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.