BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:217ac4a4-2e64-436b-8a34-e2032a326a63
DTSTAMP:20260420T112436Z
DTSTART;VALUE=DATE:20261226
SUMMARY:1st Octave (Portugal)
END:VEVENT
END:VCALENDAR