BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ecf9725f-973d-4059-a846-871295e8f9fa
DTSTAMP:20260420T071718Z
DTSTART;VALUE=DATE:20260604
SUMMARY:Corpus Christi (Polonia)
END:VEVENT
END:VCALENDAR