BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210328T220000Z
DTSTART:20210328T220000Z
DTEND:20210410T220000Z
SUMMARY:Osterferien 2021
END:VEVENT
END:VCALENDAR