BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:d37d7929-423e-4725-b5ba-3fd91713e1a4
DTSTAMP:20260420T095442Z
DTSTART;VALUE=DATE:20260501
SUMMARY:National Day (Poland)
END:VEVENT
END:VCALENDAR