BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20211210T120000Z
DTSTART:20211210T120000Z
DTEND:20211211T120000Z
SUMMARY:Bundesmittelstandstag
END:VEVENT
END:VCALENDAR