Note: This calendar view maps the number of captures of http://www.albertasource.ca/abitalian/illcongresso/congresso_advancedresults.php?keyword=Caboto&sumlang=1&month1=0&month2=0&year1=0&year2=0&volume=0&language=0, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.