BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:aa133bc32e7194c6c8fe3c1f71294c91https://www.olsd.org.uk
                        DTSTAMP:20261020T173010
                        DTSTART:TZID=20261020T173010
                        DTEND:TZID=20261020T173010
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR