While I was searching for pictures online of Sonny & Cher performing live in the 70s, I came across this little statistic:

Who holds the record for attracting the largest Grandstand crowd?

  • In 1972 Sonny and Cher attracted 26,200 in two shows.
  • In 1975 the Beach Boys drew 25,400 in one show.
  • In 1970 Johnny Cash attracted 25,300 in two shows.
  • In 1974 Chicago played to 24,700 in one show.
  • In 1982 the Oak Ridge Boys drew 23,500 in two shows.

The internationally acclaimed Iowa State Fair is the single largest event in the state and one of the oldest and largest agricultural and industrial expositions in the United States.

Source: http://www.iowastatefair.com/about/trivia.php