BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:1e602971-8555-4622-a827-07eedc580923
DTSTAMP:20260420T015153Z
DTSTART;VALUE=DATE:20261208
SUMMARY:Immaculate Conception (Portugal)
END:VEVENT
END:VCALENDAR