BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:c20f4d5e-f2d8-4b99-8efb-66a3ce920a06
DTSTAMP:20260420T112850Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Polonia)
END:VEVENT
END:VCALENDAR