Italian juggling conventions can be found on: Juggling Edge www.jugglingedge.com/events.php www.giocoleria.org - (need to sign up to see convention dates)
If you want to subscribe to these calendars (ie automatically have Italian juggling conventions added to your own on-line calendar) you can click on the button at the bottom right of the calendar.
It is also possible to just add individual events to your calendar, click on the event and then click on the "copy to my calendar" link.