BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
URL:http://www.tigracon.com/js-events/all-events/viewevent/18-weekly-lottery.html 
DTSTART:%2012%06%29UTC%19%Jun%th
DTEND:%2012%06%29UTC%20%Jun%th
SUMMARY:Weekly lottery
RRULE:FREQ=WEEKLY;UNTIL=%2013%03%11UTC%00%Mar%th
DESCRIPTION:We're giving away Tigra Framework each week... remember to register each week for your chance to win yearly membership...
LOCATION:Zagreb, Croatia
END:VEVENT
END:VCALENDAR