BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20171005T150000Z
DTSTART:20171005T150000Z
DTEND:20171005T150000Z
SUMMARY:Sicherheit für Schleswig
END:VEVENT
END:VCALENDAR