BEGIN:VCALENDAR VERSION:2.0 PRODID:-//dhtmlXScheduler//NONSGML v2.2//EN X-WR-CALNAME:Wydarzenia BEGIN:VEVENT DTSTART:20170117T000000 DTEND:20170117T000000 UID:1 SUMMARY:Koncert kolęd w auli PWr END:VEVENT END:VCALENDAR