BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:8a0bdbe8-9799-4030-baac-498d0c35f422
DTSTAMP:20260429T191702Z
DTSTART;VALUE=DATE:20200504
SUMMARY:Day off (substituted from 01/04/2020) (Rusia)
END:VEVENT
END:VCALENDAR