BEGIN:VCALENDAR
PRODID:Appointment
CALSCALE:GREGORIAN
VERSION:2.0
BEGIN:VEVENT
DTSTAMP:20260421T105413Z
DTSTART;VALUE=DATE:20260420
DTEND;VALUE=DATE:20260425
SUMMARY:Grundwissen BR1
UID:c595facd-154a-4c63-99b4-f1998f0eb55e
END:VEVENT
END:VCALENDAR