BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20130518
RRULE:FREQ=DAILY;INTERVAL=1;UNTIL=20130617
SUMMARY:"At the End of Time, Where We Began"
END:VEVENT
END:VCALENDAR