BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:5f507bd9ff684881b67a5753ff94f700https://www.olsd.org.uk
                        DTSTAMP:20260921T193217
                        DTSTART:TZID=20260921T193217
                        DTEND:TZID=20260921T193217
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR