BEGIN:VCALENDAR
BEGIN:VEVENT
DESCRIPTION
 :Every year on the same day\, forever
RRULE
 :FREQ=YEARLY;INTERVAL=1
DTSTART
 :19990201T172000
DTEND
 :19990201T182000
X-EXPECT-NUMEVENTS: 39
END:VEVENT
END:VCALENDAR
