BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20250723T093000Z
DTSTART:20250723T093000Z
DTEND:20250723T093000Z
SUMMARY:Besichtigung DESY
END:VEVENT
END:VCALENDAR