BEGIN:VCALENDAR
PRODID:-//github.com/rianjs/ical.net//NONSGML ical.net 4.0//EN
VERSION:2.0
BEGIN:VEVENT
DESCRIPTION:Grunnlovsdag
DTEND:20280517T235959
DTSTAMP:20261015T233109Z
DTSTART;VALUE=DATE:20280517
SEQUENCE:0
SUMMARY:Grunnlovsdag
UID:a9d41bad-377a-4243-b68f-e9060181bfb7
END:VEVENT
END:VCALENDAR