BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20181123T000000Z DTEND:20181123T000000Z SUMMARY:Thomas Graham Lecture starts on the 23rd November 2018 17:00 LOCATION:University College London,London,United Kingdom END:VEVENT END:VCALENDAR