BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:59cabc82-dab4-4356-be0e-427b0713a651
DTSTAMP:20260429T180435Z
DTSTART;VALUE=DATE:20200504
SUMMARY:Day off (substituted from 01/04/2020) (Russie)
END:VEVENT
END:VCALENDAR