Searched for https://planipolis.iiep.unesco.org/en/2008/ley-de-bases-da-educa%C3%A7%C3%A3o-lei-n-142008-de-29-de-outubro-6171 
Note: This calendar view maps the number of captures of https://planipolis.iiep.unesco.org/en/2008/ley-de-bases-da-educa%C3%A7%C3%A3o-lei-n-142008-de-29-de-outubro-6171, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.