BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20211027T000000Z DTEND:20211027T000000Z SUMMARY:91AV for a Greener World starts on the 27th October 2021 19:00 LOCATION:United Kingdom END:VEVENT END:VCALENDAR