BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:23468042-8269-447c-9785-9a4aee4eb8f6
DTSTAMP:20260420T075014Z
DTSTART;VALUE=DATE:20210614
SUMMARY:Day off (substituted from 06/12/2021) (Rusia)
END:VEVENT
END:VCALENDAR