BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:aed98060-f564-401b-a5f8-7c162c4c14c4
DTSTAMP:20260610T105300Z
DTSTART;VALUE=DATE:20200504
SUMMARY:Day off (substituted from 01/04/2020) (Russia)
END:VEVENT
END:VCALENDAR