BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20170628T080000Z
DTSTART:20170628T080000Z
DTEND:20170628T160000Z
SUMMARY:Plenarsitzung
END:VEVENT
END:VCALENDAR