BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20121219T180000
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140520;BYDAY=WE
SUMMARY:Big Picture Discussion Group
END:VEVENT
END:VCALENDAR