BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20111101T160000
DTEND:20111101T180000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140526;BYDAY=1TU
SUMMARY:O'Hanlon Roundtable
END:VEVENT
END:VCALENDAR