BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20151213T140000Z
DTSTART:20151213T140000Z
DTEND:20151213T140000Z
SUMMARY:A Christmas Celebration
END:VEVENT
END:VCALENDAR