Note: This calendar view maps the number of captures of https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d2759.935227660767!2d6.129303715583338!3d46.23163277911745!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x0%3A0xa8a07538558246e3!2sUNESCO+International+Bureau+of+Education!5e0!3m2!1sde!2sus!4v1456500726574, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.