BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260628T134536Z
UID:639ec821-8cb0-4994-9d8b-b33b45757216
DTSTART:20150326T000000Z
DTEND:20150326T000000Z
SUMMARY:Understanding Regular Expressions
URL;VALUE=URI:http://edu.isb-sib.ch/course/view.php?id=197
END:VEVENT
END:VCALENDAR