BEGIN:VCALENDAR
TZID:Europe/Amsterdam
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:4170
DTSTAMP:20260422T134443
DTSTART:20261001T100000
DTEND:20261001T170000
SUMMARY:Systemisch Ontdekken
END:VEVENT
END:VCALENDAR