BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//dhtmlXScheduler//NONSGML v2.2//EN
X-WR-CALNAME:Wydarzenia
BEGIN:VEVENT
DTSTART:20171224T083500
DTEND:20171226T153500
UID:1
SUMMARY:Wigilia
END:VEVENT
END:VCALENDAR