BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20071212T173000
DTEND:20071212T193000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140521;BYDAY=2WE
SUMMARY:Slideshow Series
END:VEVENT
END:VCALENDAR