BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:0ab230d878e5878e70729ac7537afec4
DTSTAMP:20260403T222806Z
SUMMARY:Dzień Otwartych Zabytków
DESCRIPTION:
DTSTART;VALUE=DATE:20220902
END:VEVENT
END:VCALENDAR