BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/Berlin:20180515T180000 DTEND;TZID=Europe/Berlin:20180515T190000 LOCATION: SUMMARY:Presentation of Dr. Marcin PiÄ…tkowski's book DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR