BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:all-day-0sec@example.com
DTSTAMP:20140101T000000Z
DTSTART;VALUE=DATE:19970714
DTEND;VALUE=DATE:19970714
SUMMARY:0 Sec Event
END:VEVENT
END:VCALENDAR