BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:trackyouryear/ics
METHOD:PUBLISH
X-WR-CALNAME:Track Your Year
X-PUBLISHED-TTL:PT1H
BEGIN:VEVENT
UID:mMmcZcEJatsMWtGP3MEE6
SUMMARY:Dzień Ziemi
DTSTAMP:20260429T203040Z
DTSTART;VALUE=DATE:20270422
DTEND;VALUE=DATE:20270423
DESCRIPTION:Dzień Ziemi (Poland)
URL:https://trackyouryear.com/holidays/pl/2027/dzien-ziemi
END:VEVENT
END:VCALENDAR