BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210923T160000Z
DTSTART:20210923T160000Z
DTEND:20210923T160000Z
SUMMARY:Volker Bouffier kommt!
END:VEVENT
END:VCALENDAR