BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:ca598895a3ae502ed1fa960631f44b73https://www.olsd.org.uk
                        DTSTAMP:20260921T195735
                        DTSTART:TZID=20260921T195735
                        DTEND:TZID=20260921T195735
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR