Chicago was the first to produce:

Atomic reactor to produce electricity Steel frame skyscrapers Stainless Steel buildings Electric iron and cooking range The bowling tournament Bifocal contact lenses Cracker Jacks Lemonheads and Red Hots candies Schwinn Bicycles

Cafeteria Pullman railroad car Co-ed public high school Window envelope McDonalds fast food restaurant Dunkin Donuts Caramel-chocolate turtles Bleacher Bums Butterfinger & Baby Ruth candy bars

The first regulation baseballs and bats used by professional players were manufactured by Chicago entreprenuer, and former pitcher, Albert G. Spalding.

The term "Jazz" was coined in Chicago in 1914.

The first Ferris wheel made its debut in Chicago in 1893 at the World's Columbian Exposition.

The world's largest gum manufacturer, William Wrigley, Jr. Company in Chicago, produces more than 20 million packages a day. It was also the first U.S. manufacturer to give its employees the weekends off of work!

The first of Marshall Field’s clocks was installed on November 26, 1897. The cast bronze clock rests some 17.5 ft above the sidewalk and weighs 7.75 tons.

The four stars on the Chicago flag represent Fort Dearborn, the Chicago Fire, the World’s Columbian Exposition and the Century of Progress Exposition.

In the movie The Blues Brothers, Elwood Blues gives his fake address as 1060 West Addison, Chicago. That is the address of Wrigley Field!/p>