BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20170406T220000Z
DTSTART:20170406T220000Z
DTEND:20170420T220000Z
SUMMARY:Osterferien in Schleswig-Holstein
END:VEVENT
END:VCALENDAR