BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//uttek//Mail & Kalender//DE
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:491d3363e0392409@demo.example
DTSTAMP:20261103T024354Z
DTSTART;VALUE=DATE:20270108
DTEND;VALUE=DATE:20270123
SUMMARY:Weihnachtsferien
END:VEVENT
END:VCALENDAR