BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:f7bbc649ffa4ffe5b429bc80ba189a90https://nsu.hu
                        DTSTAMP:20260826T045509
                        DTSTART:TZID=20260826T045509
                        DTEND:TZID=20260826T045509
                        SUMMARY:
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR