BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:69048801-748d-4c87-a7cb-98e59c6c4931
DTSTAMP:20260421T155715Z
DTSTART;VALUE=DATE:20261226
SUMMARY:Second Day of Christmas (Poland)
END:VEVENT
END:VCALENDAR