BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:d9501a163b4a96faa6a72d69c938e0d9https://www.olsd.org.uk
                        DTSTAMP:20260704T195429
                        DTSTART:TZID=20260704T195429
                        DTEND:TZID=20260704T195429
                        SUMMARY:Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR