BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Smart Calendars AI//CalFeed//EN
CALSCALE:GREGORIAN
METHOD:REQUEST
X-WR-CALNAME:Dzień Ziemi
BEGIN:VEVENT
UID:2d5f0c82-386c-4960-b04f-21414e1b49dc.dh:pl:04-22:2027-04-22@smartcalend
 ars.ai
DTSTAMP:20260618T110433Z
DTSTART;VALUE=DATE:20270422
DTEND;VALUE=DATE:20270423
SEQUENCE:0
SUMMARY;LANGUAGE=pl:Dzień Ziemi (Obchody)
URL:date-holidays://pl
CATEGORIES:Holidays,Obchody
END:VEVENT
END:VCALENDAR