BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//http://XXX//Event
METHOD:PUBLISH
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260706
DTEND;VALUE=DATE:20260710
DESCRIPTION;LANGUAGE=en-us:useR!Poland
SUMMARY;LANGUAGE=en-us:useR!Poland
LOCATION:Warsaw\, Poland 
END:VEVENT
END:VCALENDAR