 On February 25, 2008, during the hotly contested primaries in Texas and Ohio, Obama appeared at rallies in both Cincinnati and—for the first time in his career—in Dayton, Ohio.The noontime audience at the Fifth Third Arena at the University of Cincinnati was estimated at 13,000.That evening, in Fairborn, just outside Dayton, Obama spoke before a capacity audience estimated at over 11,000 at the Nutter Center, at Wright State University.