BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210403T220000Z
DTSTART:20210403T220000Z
DTEND:20210404T220000Z
SUMMARY:Ostern
END:VEVENT
END:VCALENDAR