BEGIN:VCALENDAR
PRODID:-//github.com/rianjs/ical.net//NONSGML ical.net 4.0//EN
VERSION:2.0
BEGIN:VEVENT
DESCRIPTION:Grunnlovsdag
DTEND:20280517T235959
DTSTAMP:20261020T231408Z
DTSTART;VALUE=DATE:20280517
SEQUENCE:0
SUMMARY:Grunnlovsdag
UID:66c73485-1110-4de2-98c8-dbda4205dc3b
END:VEVENT
END:VCALENDAR