BEGIN:VCALENDAR
CALSCALE:GREGORIAN
PRODID:-//RONALD Computer\, Inc//iCal 1.0//EN
VERSION:2.0
BEGIN:VEVENT
DTSTAMP:20030127T225358Z
SUMMARY: Mark's new Birthday
RRULE:FREQ=YEARLY;INTERVAL=1;BYMONTH=1
DTSTART;VALUE=DATE:19000101
DTEND;VALUE=DATE:19000102
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR