BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VEVENT
UID:6a2fbb0c7e320
DTSTAMP:20260313T135133Z
SUMMARY:Zur Eisernen Zeit
X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
DTSTART;VALUE=DATE:20040416
END:VEVENT
END:VCALENDAR