BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20110615
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140525;BYDAY=3WE
SUMMARY:Waldo Wednesdays
END:VEVENT
END:VCALENDAR