BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=America/Chicago:20170521T100000 DTEND;TZID=America/Chicago:20170521T110000 LOCATION:1722 N Ashland Avenue, Chicago, IL, SUMMARY:DATE CHANGE - Spring Back to Harvard: 606 Walking Tour DESCRIPTION:Location: 1722 N. Ashland Avenue, Chicago METHOD:PUBLISH END:VEVENT END:VCALENDAR