The Fair is held Hold each September on of fairgrounds known as Fairplex ( Los Angeles County Fair , hotel and exposition complex ) .

From the very first three-day Fair in 1850 in Cincinnati to the 12-day exposition of today ( from 1981 to 2003 , the Fair lasted Process_end 17 days ) , the Ohio State Fair has celebrated Social_event Ohio 's products , its people , and their accomplishments Achieve .