BEGIN:VCALENDAR VERSION:2.0 METHOD:PUBLISH BEGIN:VEVENT DTSTART:20260523T020000Z DTEND:20260523T020000Z LOCATION: TRANSP: OPAQUE SEQUENCE:0 UID: DTSTAMP:20260514T120932Z SUMMARY:Inaugurazione del Catasto Speleologico dell'Umbria DESCRIPTION:Sabato 23 maggio 2026 ore 10:30, Sala San Marco. PRIORITY:1 CLASS:PUBLIC BEGIN:VALARM TRIGGER:-PT10080M ACTION:DISPLAY DESCRIPTION:Reminder END:VALARM END:VEVENT END:VCALENDAR