BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:4dff1f3d79df3f949a358ccadcd6c577https://www.olsd.org.uk
                        DTSTAMP:20260922T211245
                        DTSTART:TZID=20260922T211245
                        DTEND:TZID=20260922T211245
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR