Note: This calendar view maps the number of captures of http://unesdoc.unesco.org/ulis/cgi-bin/ulis.pl?by=3&cd=1&dc=60m&lin=1&look=new&mode=e&mt2=100&mt2_p=%3C&req=2&sc1=1&sc2=1, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.