The "Guinness Book of World Records" lists the Lost Sea in Sweetwater, Tennessee as the largest underground lake in the United States.
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Greeneville, Tennessee has the only monument in the United States honoring both the Union and Confederate armies. It is located on the lawn of the Green County Courthouse.
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Tennesseans are sometimes referred to as Butternuts, a tag which was first applied to Tennessee soldiers during the Civil War because of the tan color of their uniforms.