BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Phacility//Phabricator//EN
BEGIN:VEVENT
UID:recurring-christmas
CREATED:20001225T000000Z
DTSTAMP:20001225T000000Z
DTSTART:20001225T000000Z
DTEND:20001226T000000Z
SUMMARY:Christmas
DESCRIPTION:Festival holiday first occurring in the year 2000.
RRULE:FREQ=YEARLY;BYMONTH=12;BYMONTHDAY=25
EXDATE:20071225T000000Z
RDATE:20091125T000000Z
END:VEVENT
END:VCALENDAR