BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260819T221559Z
UID:ffc7dea5-7ef3-4953-9e27-149010451a7e
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