Note: This calendar view maps the number of captures of https://planipolis.iiep.unesco.org/en/2020/orientaciones-y-disposiciones-ense%C3%B1anza-b%C3%A1sica-t%C3%A9cnica-productiva-superior-y-universidad-6853, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.