BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:5b0772b113aad2b327d37b4d202c3236https://www.olsd.org.uk
                        DTSTAMP:20260418T030457
                        DTSTART:TZID=20260418T030457
                        DTEND:TZID=20260418T030457
                        SUMMARY:Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR