BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250921T150643
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a34098350da2
DTSTAMP:20260618T150643Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20261201T100000Z
DTEND:20261201T100000Z
END:VEVENT
END:VCALENDAR