BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251117T214733
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6a7f8cf5dd918
DTSTAMP:20260814T214733Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20261206T100000Z
DTEND:20261206T100000Z
END:VEVENT
END:VCALENDAR