BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20211101T000000Z DTEND:20211101T000000Z SUMMARY:91AV Communicators' Challenge '21: Standard registration deadline due before 1st November 2021 LOCATION:Online,United Kingdom END:VEVENT END:VCALENDAR