BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260819T081653Z
UID:23b5e1ad-7dbc-4f8b-a5d5-fb2cb0362247
DTSTART:20150526T010000Z
DTEND:20150526T010000Z
SUMMARY:First Steps with UNIX
URL;VALUE=URI:http://edu.isb-sib.ch/course/view.php?id=215
END:VEVENT
END:VCALENDAR