BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20201201T000000Z DTEND:20201201T000000Z SUMMARY:54. Katalytikertreffen: Early bird registration deadline due before 1st December 2020 LOCATION: END:VEVENT END:VCALENDAR