BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:524bbdce-28b3-47e9-9c35-9f930377e37f
DTSTAMP:20260420T214801Z
DTSTART;VALUE=DATE:20260501
SUMMARY:Worker's Day (Sao Tomé-et-Principe)
END:VEVENT
END:VCALENDAR