Historical Marker
County Named, 1798
For the Ohio River, originally its northern boundary. From this territory has been formed Butler, Grayson, Daviess, Hancock, McLean counties. Two settlements were Hartford Station, about 1785, and Barnett's Station, founded by Col. Joseph Barnett in 1790. The first Ohio County Court was organized, 1799. Christopher Greenup was its Circuit Judge, 1803. Elected Gov., 1804.
Kentucky is home to Mammoth Cave National Park, the world's longest known cave system with over 400 miles of explored passages.