BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250725T015130
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69e6d822f206d
DTSTAMP:20260421T015130Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270113T100000Z
DTEND:20270113T100000Z
END:VEVENT
END:VCALENDAR