BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20210518T220000Z
DTSTART:20210518T220000Z
DTEND:20211230T230000Z
SUMMARY:Termin 3
END:VEVENT
END:VCALENDAR