BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:4936aa2a57a572bbe989b3d7d32c8b67@yourhost.test
DTSTAMP:20260808T191553Z
DTSTART:20251005T110000Z
DTEND:20251005T130000Z
SUMMARY: Tag der offenen Tür  
LOCATION:Theater Hagen
END:VEVENT
END:VCALENDAR