BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20220705T000000Z DTEND:20220708T000000Z SUMMARY:Graphene 2022 starts on the 5th July 2022 LOCATION:Eurogress Aachen,Aachen,Germany END:VEVENT END:VCALENDAR