BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20111127
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140525;BYDAY=SU
SUMMARY:Church on Sundays
END:VEVENT
END:VCALENDAR