BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/Berlin:20170604T090000 DTEND;TZID=Europe/Berlin:20170604T160000 LOCATION: SUMMARY:Celebration of 28th anniversary of free elections in Poland DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR