BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:0fed4088-9bf9-4c15-89ad-51de3d1eafd8
DTSTAMP:20260422T070318Z
DTSTART;VALUE=DATE:20280904
SUMMARY:National Day (observed) (Vietnam)
END:VEVENT
END:VCALENDAR