September 26, 2013 - October 06, 2013 - CONFIRMED!
From Tulsa State Fair Website:
The Tulsa State Fair is the City's largest family event, providing educational experiences and entertainment during an 11-day span. Annually held on the fourth Thursday after Labor Day, this historical event is based upon heritage, family values and quality entertainment for all ages. It was first organized in 1903 as the "Tulsa County Free Fair" and developed into the Tulsa State Fair of today. With the goal of providing and educational and entertaining experience to the community, it has over 100 years of history and continues to stand out as one of the premier fairs in the country, with an estimated attendance of 1 million in 2012.