BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:558507a000998a5c5d9d20e34a770d90@yourhost.test
DTSTAMP:20261012T022641Z
DTSTART:20261011T110000Z
DTEND:20261011T130000Z
SUMMARY: Tag der offenen Tür  13:00–19:00 Uhr
LOCATION:Theater Hagen
END:VEVENT
END:VCALENDAR