BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ebe54c3d-695d-4dae-b13a-c8227233285d
DTSTAMP:20260420T140428Z
DTSTART;VALUE=DATE:20260101
SUMMARY:New Year's Day (Pologne)
END:VEVENT
END:VCALENDAR