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TZID:America/Chicago
BEGIN:STANDARD
DTSTART:20000101T000000
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BEGIN:VEVENT
UID:cfe0d513-94ad-5c31-9249-879926a88ab2
DTSTART;TZID=America/Chicago:20100407T060000
DTEND;TZID=America/Chicago:20100410T000000
LOCATION:Chicago Marriot\, 540 North Michigan Avenue\, Chicago\, IL 60611 
 U.S.A.
SUMMARY:RCC Congress 2010
END:VEVENT
END:VCALENDAR