Searched for http://dmz-ibe2-vm.unesco.org/es/document/focus-areas-operationalizing-ibe-centre-excellence-strategy 
Note: This calendar view maps the number of captures of http://dmz-ibe2-vm.unesco.org/es/document/focus-areas-operationalizing-ibe-centre-excellence-strategy, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.