BEGIN:VCALENDAR
PRODID:-//Events Calendar//iCal4j 1.0//EN
VERSION:1.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:event_499
DTSTAMP:20260722T170003Z
DTSTART:20260625T160000Z
DTEND:20260625T180000Z
SUMMARY:Virtueller Tag der offenen Tür London
END:VEVENT
END:VCALENDAR