BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:cc162b15-aa1d-4d94-84dd-57d182aa4bb0
DTSTAMP:20260429T170156Z
DTSTART;VALUE=DATE:20200511
SUMMARY:Day off (substituted from 05/09/2020) (Russie)
END:VEVENT
END:VCALENDAR