BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:183c22d4d8b384b38c82e115715c0845https://www.olsd.org.uk
                        DTSTAMP:20260921T100137
                        DTSTART:TZID=20260921T100137
                        DTEND:TZID=20260921T100137
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR