BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210418T220000Z
DTSTART:20210418T220000Z
DTEND:20210422T220000Z
SUMMARY:Plenarwoche, Berlin
END:VEVENT
END:VCALENDAR