BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:4e5f343709d7b265268b413d07e6b7ea
DTSTAMP:20260408T074431Z
SUMMARY:Dzień Otwartych Zabytków
DESCRIPTION:
DTSTART;VALUE=DATE:20180908
END:VEVENT
END:VCALENDAR