BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260413T140329Z
UID:1310cbed-b1c5-417a-a1fb-342b7dbadeb5
DTSTART;VALUE=DATE:20230728
DTEND;VALUE=DATE:20230729
SUMMARY:R2 Start Swimming
END:VEVENT
END:VCALENDAR