BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20090601
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140526;BYDAY=MO
SUMMARY:Cool World Mondays
END:VEVENT
END:VCALENDAR