BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Sabre//Sabre VObject 4.5.6//EN CALSCALE:GREGORIAN BEGIN:VEVENT UID:2025_08_01_1er-aout@/ DTSTAMP:20250501T173600Z SUMMARY:Festa nazionale svizzera DTSTART:20250801T080000Z DTEND:20250801T150000Z ORGANIZER:mailto:info@nationalmuseum.ch END:VEVENT END:VCALENDAR