BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20120324T200000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140619;BYDAY=4SA
SUMMARY:Salsa Dancing
END:VEVENT
END:VCALENDAR