BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:558ca914-c51f-4ec3-8596-74a4dcbcb2ce
DTSTAMP:20260420T154455Z
DTSTART;VALUE=DATE:20260501
SUMMARY:Labor Day (Portugal)
END:VEVENT
END:VCALENDAR