BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:46da6ecec1af7c300107fdcb4104953d@yourhost.test
DTSTAMP:20260816T184945Z
DTSTART:20250927T090000Z
DTEND:20250927T110000Z
SUMMARY: La Traviata Oper von Giuseppe Verdi 
LOCATION:Großes Haus
END:VEVENT
END:VCALENDAR