BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:3ef9dde2-4c4e-4514-9bac-db7fc47e0ef0
DTSTAMP:20260420T195453Z
DTSTART;VALUE=DATE:20261019
SUMMARY:Piauí Day (Brasil)
END:VEVENT
END:VCALENDAR