Note: This calendar view maps the number of captures of https://www.unesco.org/en/media/oembed?url=https%3A//youtu.be/Zr3-myNZlT8&max_width=0&max_height=0&hash=r3a0r_x48S_UVVH8usQbhzLGF_r8mOIFxPwizx1x1cE, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.