BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260127T214019
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6add25c3002b4
DTSTAMP:20261024T214019Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270414T080000Z
DTEND:20270414T080000Z
END:VEVENT
END:VCALENDAR