BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//birthdays//BDP//EN
X-WR-CALNAME:John Smith's birthday
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:person-me-3@birthdays
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20001024
RRULE:FREQ=YEARLY
SUMMARY:🎂 John Smith's birthday
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR