BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20120315T153000
DTEND:20120315T163000
RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20140521;BYDAY=3TH
SUMMARY:Third Thursday at the Nerman
END:VEVENT
END:VCALENDAR