BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20100507T170000
DTEND:20100507T200000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140519;BYDAY=1FR
SUMMARY:First Friday Reception
END:VEVENT
END:VCALENDAR