BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:00e41e3c-c350-41e3-8a98-36d7ae7a48ee
DTSTAMP:20260420T120853Z
DTSTART;VALUE=DATE:20261226
SUMMARY:1st Octave (Portugal)
END:VEVENT
END:VCALENDAR