BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20170920T173000Z
DTSTART:20170920T173000Z
DTEND:20170920T173000Z
SUMMARY:Innere Sicherheit
END:VEVENT
END:VCALENDAR