BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20260417T095715Z
UID:e17d8352-0441-492f-8bb8-149861b1e47e
DTSTART:20261007T100000
DTEND:20261007T113000
LOCATION:online
SUMMARY:The Heisenberg Programme
END:VEVENT
END:VCALENDAR