BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:6117b4cf-abf2-4b68-8336-851550cc04d7
DTSTAMP:20260419T231135Z
DTSTART;VALUE=DATE:20210510
SUMMARY:Day off (substituted from 05/15/2021) (Bielorrusia)
END:VEVENT
END:VCALENDAR