BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//PIMUTILS.ORG//NONSGML khal / icalendar //EN
BEGIN:VEVENT
SUMMARY:Test original
DTSTART;VALUE=DATE-TIME:20171228T190000
DTEND;VALUE=DATE-TIME:20171228T200000
DTSTAMP;VALUE=DATE-TIME:20171228T190731Z
UID:abc
SEQUENCE:0
END:VEVENT
BEGIN:VEVENT
SUMMARY:Test next
DTSTART;VALUE=DATE-TIME:20180104T220000
DTEND;VALUE=DATE-TIME:20180104T230000
UID:def
END:VEVENT
BEGIN:VEVENT
SUMMARY:Test last
DTSTART;VALUE=DATE-TIME:20180104T220000
DTEND;VALUE=DATE-TIME:20180104T230000
UID:def
END:VEVENT
END:VCALENDAR