BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:b102cbb2-57b3-4ed0-aac6-8af995e32c64
DTSTAMP:20260423T133722Z
DTSTART;VALUE=DATE:20261208
SUMMARY:Immaculate Conception (Portugal)
END:VEVENT
END:VCALENDAR