BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:cdb586ea-fac2-4ac5-a62a-57ec3a904229
DTSTAMP:20260420T154158Z
DTSTART;VALUE=DATE:20260424
SUMMARY:Arbor Day (États-Unis)
END:VEVENT
END:VCALENDAR