BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250723T131458
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69e4d552f2fea
DTSTAMP:20260419T131458Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270108T100000Z
DTEND:20270108T100000Z
END:VEVENT
END:VCALENDAR