Searched for http://www.ibe.unesco.org/es/quienes-somos/comunidades-y-redes/sobre-la-comunidad-de-pr%C3%A1ctica 
Note: This calendar view maps the number of captures of http://www.ibe.unesco.org/es/quienes-somos/comunidades-y-redes/sobre-la-comunidad-de-pr%C3%A1ctica, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.