Mental Floss
KENNECTIONS

What's the Kennection? #11

Ken Jennings
Photo: Gary Gershoff/Getty Images; Background: somboon sitthichoptam/iStock via Getty Images
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What's the Kennection?

Chicago skyline view
The skyline of Chicago—part of Cook County, Illinois. / Anadolu Agency/GettyImages

POPULOUS U.S. COUNTIES

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