The Commonwealth of Kentucky has a population of 4.4 million and has been a part of the United States since 1792 when it became the 15th state. Historically a place of coal mines and tobacco fields, Kentucky is best known for the Kentucky Derby at Churchill Downs in Louisville. Kentucky is also a major player in college basketball and football sports via the University of Louisville Cardinals and the University of Kentucky Wildcats. Kentucky Senator Mitch McConnell has been either the Senate Minority or Majority Leader since 2005. Popular culture contributions by Kentucky include the Lebowski Fest, bourbon, Kentucky Fried Chicken (KFC), the Judds, Johnny Depp, Hunter S. Thompson, George Clooney, Jennifer Lawrence, Bluegrass music, and the Corvette.