BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20220413T130000Z
DTSTART:20220413T130000Z
DTEND:20220413T130000Z
SUMMARY:Oster-Aktion mit Johannes Callsen, MdL
END:VEVENT
END:VCALENDAR