BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20180505T160000Z
DTSTART:20180505T160000Z
DTEND:20180507T190000Z
SUMMARY:Istanbul Security Conference 2018
END:VEVENT
END:VCALENDAR