BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260520T033415Z
UID:4524ff28-f97c-4ddd-b4f6-17f8d9a3a0c5
DTSTART;VALUE=DATE:20260720
DTEND;VALUE=DATE:20260725
SUMMARY:Book Week
END:VEVENT
END:VCALENDAR