Kentucky was named for an Indian word 'Kenhtahkeh' that means "meadowland" or "prairie“
Kentucky was a part of Virginia until Virginia agreed to part with Kentucky. On June 1, 1792 it joined the union as the 15th state.
Kentucky is officially named 'the Commonwealth of Kentucky' It is one of four U.S. states constituted as a commonwealth (the other three are Virginia, Pennsylvania, and Massachusetts)
Kentucky's 400-miles-long Mammoth Cave is the longest cave system in the world and was first promoted in 1816, making it the second oldest tourist attraction in the United States.
Abraham Lincoln and Jefferson Davis, the victor and vanquished of the American Civil War, both were born in Kentucky. They were born less than one hundred miles and one year apart.