BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:a9d38ca7-f7d7-4292-bf40-ee6d59ceb57b
DTSTAMP:20260420T170139Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Bulgaria)
END:VEVENT
END:VCALENDAR