BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:aba71a83-bf85-410a-affb-7dea06828740
DTSTAMP:20260420T205151Z
DTSTART;VALUE=DATE:20280904
SUMMARY:National Day (observed) (Vietnam)
END:VEVENT
END:VCALENDAR