BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:bab47478-3c2f-40cc-a783-af91731a9518
DTSTAMP:20260513T214121Z
DTSTART;VALUE=DATE:20210222
SUMMARY:Day off (substituted from 02/20/2021) (Russia)
END:VEVENT
END:VCALENDAR