BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:c121753e-4b80-46bf-b136-29a52eb57faf
DTSTAMP:20260420T211551Z
DTSTART;VALUE=DATE:20270503
SUMMARY:Monday following Madrid Day (Espagne)
END:VEVENT
END:VCALENDAR