BEGIN:VCALENDAR
PRODID:-//K Desktop Environment//NONSGML libkcal 3.5//EN
VERSION:2.0
BEGIN:VEVENT
DTSTAMP:20050604T165654Z
ORGANIZER:MAILTO:reinhold@kainhofer.com
CREATED:20050520T105442Z
UID:KOrganizer-1832470339.751
SEQUENCE:1
LAST-MODIFIED:20050520T105511Z
SUMMARY:20. Mai 2005\, 23-24 Uhr\, alle 3 Jahre am vorletzten Freitag im 
 Mai\, 17 mal (not possible in vCalendar -> no RRULE)
PRIORITY:5
DTSTART:20050520T210000Z
DTEND:20050520T215900Z
TRANSP:OPAQUE
END:VEVENT

END:VCALENDAR