Note: This calendar view maps the number of captures of https://www.iicba.unesco.org/unesdoc.unesco.org/ark:/48223/pf0000382554?posInSet=23&queryId=N-EXPLORE-9a0b9434-21c5-4c6a-aa4c-198a29d2006a, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.