BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:235eb160-7bbc-4c1a-88dd-cabe6a9ed5f9
DTSTAMP:20260419T181603Z
DTSTART;VALUE=DATE:20260524
SUMMARY:Pentecost (Polonia)
END:VEVENT
END:VCALENDAR