BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20250809T120000Z
DTSTART:20250809T120000Z
DTEND:20250809T140000Z
SUMMARY:Einladung in den Berkumer Domsteinbruch
END:VEVENT
END:VCALENDAR