BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:da880c21-8631-460c-b053-db37841e2d76
DTSTAMP:20260420T154323Z
DTSTART;VALUE=DATE:20260424
SUMMARY:Arbor Day (Estados Unidos)
END:VEVENT
END:VCALENDAR