BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250918T094450
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6a2fc992e1924
DTSTAMP:20260615T094450Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20261112T100000Z
DTEND:20261112T100000Z
END:VEVENT
END:VCALENDAR