BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:22020ed1c27264fe4f80eefc7f789836https://www.olsd.org.uk
                        DTSTAMP:20260417T072534
                        DTSTART:TZID=20260417T072534
                        DTEND:TZID=20260417T072534
                        SUMMARY:Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR