BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20211104T000000Z DTEND:20211104T000000Z SUMMARY:Chemistry Communicators' Challenge '21 starts on the 4th November 2021 17:30 LOCATION:Online,United Kingdom END:VEVENT END:VCALENDAR